OpenTechnical

OT-2026-000040862

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000040862) never changes.

Identity and time

Publication numberOT-2026-000040862 · never reused
Internal UUID01a0ae79-6d10-7ebb-8f04-ec6620d04e45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040862
StatusPUBLIC

Content hashes

Canonical text3c8027a0d53e4df56ef1b1fa879bf3e0e85142c838ba4b4fceaec47f4ef72c1d
Markdown280b8e85a0bb2983bc727bf0255eb177273b8cb62a9be6a7817f56d49ececb7d
PDF
Publication page9a202a81a861afb89a47db4e9b718133d8a58b727e69e3f0a38af9c3fb6047fd
Manifestec511e14a653a8346f02239d4699ed4f59821f814f5b3b12f1bf6edfc38954b7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQk1rgmqtUwf+hct+IzmhZnHixkeh6mXGEZd5ivx52qnjSrObgjiWI9aO2sPdxQ3g0PzWFTL1Co8GvsiCXU1GDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:13.038673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862
observed 9a202a81a861afb89a47db4e9b718133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.019764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862/manifest.json
observed ec511e14a653a8346f02239d4699ed4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.002498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862/publication.md
observed 280b8e85a0bb2983bc727bf0255eb177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.984032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862/publication.txt
observed 3c8027a0d53e4df56ef1b1fa879bf3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:38.987517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862
observed 9a202a81a861afb89a47db4e9b718133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:38.969270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862/manifest.json
observed ec511e14a653a8346f02239d4699ed4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:38.951785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862/publication.md
observed 280b8e85a0bb2983bc727bf0255eb177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:38.933468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040862/publication.txt
observed 3c8027a0d53e4df56ef1b1fa879bf3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.