OpenTechnical

OT-2026-000077997

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077997) never changes.

Identity and time

Publication numberOT-2026-000077997 · never reused
Internal UUID01a0ae95-2ed1-7759-8d55-80ce2152ddff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077997
StatusPUBLIC

Content hashes

Canonical texta37188bc41d3ee0e813ab97cda4b41dd9d13250538e82cf5ff4c49b50dc3ea02
Markdown804c577ef45b18ea12d813b499a4b6e94307eae5cb9e6feae61ed7cbcb235462
PDF
Publication pagecee4df3958dacd7ee0e4c470038a6687497a58129c8fea1a7bd1cdb48c16a2b6
Manifest1618a39914c8bd94f65592ece095b6e6436d91d32293f1dea22c9c0046251101

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
Signature3oVriWt/z57EK3qt3JIyL+uzZQM6qtUivHUeYFDK3m41iCWXc14jGhg2Wa3pyWDMcHHLjC/DuBUZiwLE2N+dDA==
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

2026-09-17T10:10:27.510635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997
observed cee4df3958dacd7ee0e4c470038a6687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.488083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997/manifest.json
observed 1618a39914c8bd94f65592ece095b6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.467804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997/publication.md
observed 804c577ef45b18ea12d813b499a4b6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.447211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997/publication.txt
observed a37188bc41d3ee0e813ab97cda4b41dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.053667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997
observed cee4df3958dacd7ee0e4c470038a6687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.036837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997/manifest.json
observed 1618a39914c8bd94f65592ece095b6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.016207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997/publication.md
observed 804c577ef45b18ea12d813b499a4b6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.994894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077997/publication.txt
observed a37188bc41d3ee0e813ab97cda4b41dd...
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.