OpenTechnical

OT-2026-000076944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000076944) never changes.

Identity and time

Publication numberOT-2026-000076944 · never reused
Internal UUID01a0ae94-b071-7fe2-9a16-8b3c42c0f080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076944
StatusPUBLIC

Content hashes

Canonical texteb6fcec285996594836a3a740b67996509dee2b1f13944144ab4e6caa50a4b95
Markdownc386a21e2cd694d801caea1b985bfea16b2f9589afc5a8cbb755c5fedc7ec267
PDF
Publication page61ee982d4c08126ebd07597607003fefc34979190332ccbbd97c6f942d9d8fc9
Manifestb150a5a1bd738e4c505e93f5fa44a8430645005d245c9a3fd73a6f0db0fbd820

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
Signaturer6S7qVzL7t1evARcVAW7DYxSsnolxbqwCQQ2ESdqB0+pzurH7+2pkq1Y6kpxGENF+ud5BzkpWvBAOcl2Rd5hAg==
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

2026-09-17T10:10:05.256029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076944
observed 61ee982d4c08126ebd07597607003fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:56.787004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076944/manifest.json
observed b150a5a1bd738e4c505e93f5fa44a843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:56.768940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076944/publication.md
observed c386a21e2cd694d801caea1b985bfea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:56.748465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076944/publication.txt
observed eb6fcec285996594836a3a740b679965...
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.