OpenTechnical

OT-2026-000076500

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000076500) never changes.

Identity and time

Publication numberOT-2026-000076500 · never reused
Internal UUID01a0ae94-6a71-7e94-925b-cd8c4f8f9bb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076500
StatusPUBLIC

Content hashes

Canonical textf1d9dfce7956a0d89171b74c6f12438813736f455f9c9ba8a4dfc82d22e65823
Markdown4911b3703efb443381cf65d58522f2915550ac6f7d75afe74dec6a2a612f2cef
PDF
Publication page66c17b705755fac9e4c610360d0aba8dc6b6cc6c0270762a3a8e4ad095032f87
Manifest3613fd57d1367df3a5a8a84c5a2aa4a1313737fb63fcee1fe4316d136e75f05c

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
SignatureYPctxIIjkGESXyDE+iHAJypJ0I3G2rAi06yZOhi7Mt0RDLPgssPeqe49fOptw4mqqNLhClk4lgaHtUuZ4qzdDg==
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

2026-09-17T10:12:46.048647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076500
observed 66c17b705755fac9e4c610360d0aba8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:46.029393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076500/manifest.json
observed 3613fd57d1367df3a5a8a84c5a2aa4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:46.010419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076500/publication.md
observed 4911b3703efb443381cf65d58522f291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.991822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076500/publication.txt
observed f1d9dfce7956a0d89171b74c6f124388...
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.