OpenTechnical

OT-2026-000093083

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000093083) never changes.

Identity and time

Publication numberOT-2026-000093083 · never reused
Internal UUID01a0ae9e-0910-78ef-be09-5b81f125918e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093083
StatusPUBLIC

Content hashes

Canonical text23302764aec602e0ba3dcbe8e7bd3486f6f05ba8d2b06280a5955710dd566fd0
Markdownf05195d91a798403da373a3fceab985cd874b8f2e72b957b667cf22817c497b1
PDF
Publication page51af96d35ba2ff2c2becf94a7b74aebdeaf840f887fdcd4eae4fed57f3ba8847
Manifestbb651d59d6d6f4943e1d0720e5a40437e042219e65e9aadfffec55ef137c0e44

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
SignaturenFN1KP2tawH231OIOqr8OrARXKkgeIzBYn6CzEamxY13orB8kpy29UrmZVtMygd46SlZUKvOPnKnqE1C7/jZDw==
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

2026-09-17T09:40:20.155774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093083
observed 51af96d35ba2ff2c2becf94a7b74aebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.139199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093083/manifest.json
observed bb651d59d6d6f4943e1d0720e5a40437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.121024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093083/publication.md
observed f05195d91a798403da373a3fceab985c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.103432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093083/publication.txt
observed 23302764aec602e0ba3dcbe8e7bd3486...
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.