OpenTechnical

OT-2026-000074576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000074576) never changes.

Identity and time

Publication numberOT-2026-000074576 · never reused
Internal UUID01a0ae93-717b-7fac-aa21-304e19f3ffd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074576
StatusPUBLIC

Content hashes

Canonical text34093a8772c93bc9cfb5f8384d10fb3d9b054384fd129c4cdc694c2a376a5ac9
Markdown65399556ef172bfba0e060a1510a9891718dfcf060455310ab93d009312a371a
PDF
Publication page2b4656813194abc4f93692ce02fbd689b1c200aeada527912f0053a8d187a7cb
Manifeste7ecdefcb93557974bff7c580f095eb10e23dca5071514373afef441dacef7ac

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
SignaturekvSPwXkidL46TngVEEHuTCwFJYwtxntfsBIyRotnsW+rJM38OREebPskG6PxvqLKc1UFeykyePsKBYvc5N7wCw==
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

2026-09-17T10:19:35.692321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074576
observed 2b4656813194abc4f93692ce02fbd689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.672853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074576/manifest.json
observed e7ecdefcb93557974bff7c580f095eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.655002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074576/publication.md
observed 65399556ef172bfba0e060a1510a9891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.637271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074576/publication.txt
observed 34093a8772c93bc9cfb5f8384d10fb3d...
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.