OpenTechnical

OT-2026-000072299

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000072299) never changes.

Identity and time

Publication numberOT-2026-000072299 · never reused
Internal UUID01a0ae92-47c3-79c3-bd06-64d9925b7d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072299
StatusPUBLIC

Content hashes

Canonical text22d3acbf85330f6d798f3f8d01388269d0cf700e7b3f8c8c04436e8a1153a928
Markdown34edb6677a780bfb84742dd771bd28ad43b6eb69199c6eeec3539d9319c8a6b1
PDF
Publication paged96311feb0c54e9ecbac0810fc5bc259e52978b84f6c235dd535881a6ba300f1
Manifest8df1fc447be13d5d97097e845304f44b4de56458004ffb537c7fabb48967e091

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
Signature3oB4aZ9vsEXfi5gMILmY4m775mbG0D2DkttYVOIKrFwsw+fNSl6oakMRif+o+o8SZoMYoPxGp6k9bbSajlQoDg==
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

2026-09-17T10:23:31.097931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072299
observed d96311feb0c54e9ecbac0810fc5bc259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.081530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072299/manifest.json
observed 8df1fc447be13d5d97097e845304f44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.064950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072299/publication.md
observed 34edb6677a780bfb84742dd771bd28ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.046982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072299/publication.txt
observed 22d3acbf85330f6d798f3f8d01388269...
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.