OpenTechnical

OT-2026-000095580

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095580) never changes.

Identity and time

Publication numberOT-2026-000095580 · never reused
Internal UUID01a0ae9f-8f75-7940-a232-7fe3e635adb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095580
StatusPUBLIC

Content hashes

Canonical text7b9c2ab6974081374355f617229171e76b74375e2373e4644790285faa0b06f8
Markdown848d500498796a4b53c6058213bfea7f2dfddbc5fd3533b1d81b0ac5a17a75bc
PDF
Publication page6887406b37ca97850f2d40f7cd60c8c2f2759c3ab27f8db24249ba8ced3dee9e
Manifestcc0fd760ec80bdd3d52fdea6b9b807bc7c4012eef096a80eadfac47e03ad6906

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
SignatureNocdJCCMk/disq/hbpjAIzXa9nARzXKRSlMAEKcl5mAPCM39GYWsFiEFRLrGyegnRli8byRIxEZEk1YvLBGtCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:59.949674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095580
observed 6887406b37ca97850f2d40f7cd60c8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.933492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095580/manifest.json
observed cc0fd760ec80bdd3d52fdea6b9b807bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.916621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095580/publication.md
observed 848d500498796a4b53c6058213bfea7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.900542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095580/publication.txt
observed 7b9c2ab6974081374355f617229171e7...
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.