Stanford spent years cataloging items such as photos of a barefoot Mr. Jobs at work, advertising campaigns and an Apple II computer. That material can be reviewed by students and researchers interested in learning more about the company.

Silicon Valley leaders have a tradition of leaving their material with Stanford, which has collections of letters, slides and notes from William Hewlett, who founded Hewlett-Packard, and Andy Grove, the former chief executive of Intel.

Mr. Lowood said that he uses the Silicon Valley archives to teach students about the value of discovery. “Unlike a book, which is the gospel and all true, a mix of materials in a box introduces uncertainty,” he said.

After Mr. Jobs’ death in 2011, Mr. Isaacson, the author, published a biography of Mr. Jobs. Some at Apple complained that the book, a best seller, misrepresented Mr. Jobs and commercialized his death.

Mr. Isaacson declined to comment about those complaints.

Four years later, the book became the basis for a film. The 2015 movie, written by Aaron Sorkin and starring Michael Fassbender, focused on Mr. Jobs being ousted from Apple and denying paternity of his eldest daughter.

according to emails made public after a hack of Sony Pictures, which held rights to the film. She and others who were close to Mr. Jobs thought any movie based on the book would be inaccurate.

“I was outraged, and he was my friend,” said Mike Slade, a marketing executive who worked as an adviser to Mr. Jobs from 1998 to 2004. “I can’t imagine how outraged Laurene was.”

In November 2015, a month after the movie’s release, Ms. Powell Jobs had representatives register the Steve Jobs Archive as a limited liability company in Delaware and California. She later hired the documentary filmmaker, Davis Guggenheim, to gather oral histories about Mr. Jobs from former colleagues and friends. She also hired Ms. Berlin, who was Stanford’s project historian for its Apple archives, to be the Jobs Archive’s executive director.

Mr. Guggenheim gathered material about Mr. Jobs while also working on a Netflix documentary about Bill Gates, “Inside Bill’s Brain.” Mr. Slade, who worked for both Mr. Jobs and Mr. Gates, said he sat for an interview about one executive, stopped to change shirts and returned to discuss the other one.

Ms. Berlin assisted Ms. Powell Jobs in gathering material. They collected items such as audio of interviews done by reporters and early company records, including a 1976 document that Mr. Jobs and Steve Wozniak, Apple’s co-founder, called their declaration of independence. It outlined what the company would stand for, said Regis McKenna, who unearthed the document in his personal collection gathered during his decades as a pioneer of Silicon Valley marketing and adviser to Mr. Jobs.

Ms. Powell Jobs also assembled a group of advisers to inform what the archive would be, including Tim Cook, Apple’s chief executive; Jony Ive, Apple’s former chief design officer; and Bob Iger, the former chief executive of Walt Disney and a former Apple board member.

Mr. Cook, Mr. Ive and Mr. Iger declined to comment.

Apple, which has its own corporate archive and archivist, is a contributor to the Jobs effort, said Ms. Berlin, who declined to say how she works with the company to gain access to material left by Mr. Jobs.

The archive’s resulting website opens with an email that Mr. Jobs sent himself at Apple. It reads like a journal entry, outlining all the things that he depends on others to provide, from the food he eats to the music he enjoys.

“I love and admire my species, living and dead, and am totally dependent on them for my life and well being,” he wrote.

The email is followed by a previously undisclosed audio clip from a 1984 interview that Mr. Jobs did with Michael Moritz, the journalist turned venture capitalist at Sequoia. During it, Mr. Jobs says that refinement comes from mistakes, a platitude that captures how Apple used trial and error to develop devices.

“It was just lying in the drawer gathering dust,” Mr. Moritz said of the recording.

It’s clear to those who have contributed material that the archive is about safeguarding Mr. Jobs’s legacy. It’s a goal that many of them support.

“There’s so much distortion about who Steve was,” Mr. McKenna said. “There needed to be something more factual.”

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