OpenTechnical

OT-2026-000077364

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000077364) never changes.

Identity and time

Publication numberOT-2026-000077364 · never reused
Internal UUID01a0ae94-f509-7c70-a7d8-061d660dd8be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077364
StatusPUBLIC

Content hashes

Canonical text95bfef72ffdd1c4cb8d36ae6ca0de2d2eb108c82c8f06a3e169967a2bbd48f01
Markdown81134441af5ce4dce8711064ae850d915388243073c6f988915cf4cf238f2d3d
PDF
Publication page229431b47c80278d964225cdb5864e0abcf20e99fa2f2c5406643b7a6063d5e5
Manifest526b721034cb8d5749d3dce77b1e80642a85515570131ac3fc626faff1814a8f

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
SignaturevL6S4THjwoOme6/axEpN8/zRvUL1wRJHoITRHOp9nlAey5zOd6KJ9Cd677gLcszo83BJ/EGxEVAykWUPukMlCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:00.424758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077364
observed 229431b47c80278d964225cdb5864e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.407753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077364/manifest.json
observed 526b721034cb8d5749d3dce77b1e8064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.391528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077364/publication.md
observed 81134441af5ce4dce8711064ae850d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.373881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077364/publication.txt
observed 95bfef72ffdd1c4cb8d36ae6ca0de2d2...
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.