OpenTechnical

OT-2026-000038681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038681) never changes.

Identity and time

Publication numberOT-2026-000038681 · never reused
Internal UUID01a0ae78-769e-7448-a600-ad99a812cd8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038681
StatusPUBLIC

Content hashes

Canonical text9a26b5a79db245e53a69af3ae0d1a0bfcb9844a03fe99f232647e6f8cbd5d6de
Markdown98fdb30b50b83f76f4b9652d0613f906033126bf72861abc15448bb38bd1d32a
PDF
Publication page2e6aa249f7c6d169410ef94dbab6991195e889a660ce6888cde86bb4e0b460cb
Manifest1f2296648d340caad5f099cb449dd551ce203d8541ca62285c59b665478229ca

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
Signature0N7uyWiH8qfRZK7kBYE23WSOLfytzYM7NyGNAPA8uvxfKdkYMmO0IvXzSc9U46qyH2iUxQWjtYisjUT8SXJvDg==
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

2026-09-17T11:21:11.525700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038681
observed 2e6aa249f7c6d169410ef94dbab69911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.507893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038681/manifest.json
observed 1f2296648d340caad5f099cb449dd551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.488996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038681/publication.md
observed 98fdb30b50b83f76f4b9652d0613f906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.468865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038681/publication.txt
observed 9a26b5a79db245e53a69af3ae0d1a0bf...
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.