OpenTechnical

OT-2026-000071067

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000071067) never changes.

Identity and time

Publication numberOT-2026-000071067 · never reused
Internal UUID01a0ae91-8c2e-7d4e-b11d-897544a30484 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071067
StatusPUBLIC

Content hashes

Canonical textb82089eb81b3da7667bf6de54e500f981479bad4d8a84d2038ee4a8c50fc2477
Markdown4290ae6be6c580fc60656a6ee7fe89468280a8f7ac3755315cb7db110cdb6620
PDF
Publication pagea8652fae65b8516de170da61b8c1e31474da408928f7f28797ea470242f6f1b3
Manifest397e57c30b5f926852391f3e9180f851bfaecd8f9bb8c72697fe626e68b555da

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
Signaturetfl1EsC1/wSsLgevJ4QlcM1288tlsy14VjcaFiYH5idrlSqpnnvcVTGYHWbE1z4qvULvFYqPru57P/EfukMOCw==
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

2026-09-17T10:25:55.651822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071067
observed a8652fae65b8516de170da61b8c1e314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.634014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071067/manifest.json
observed 397e57c30b5f926852391f3e9180f851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.613489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071067/publication.md
observed 4290ae6be6c580fc60656a6ee7fe8946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.590496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071067/publication.txt
observed b82089eb81b3da7667bf6de54e500f98...
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.