OpenTechnical

OT-2026-000066995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000066995) never changes.

Identity and time

Publication numberOT-2026-000066995 · never reused
Internal UUID01a0ae8f-14fe-7397-9c3e-88392eb13ce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066995
StatusPUBLIC

Content hashes

Canonical texte0f53863316e1f5f77342fc967174ce8aa1ccc3e3896c0529de9cc093c2a5039
Markdown1ef706da8f684b8a612b3fd7abac7a1bc728ce820e92276d30524ce8fa72308d
PDF
Publication page74903bd9bb89938068c230a9b93ff05c57d3304468611a6f1bc369ed93889d37
Manifest01e9bd9aeac3062f6fd24e0ed29858f28fea567c046810237c412f76fe0cc902

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
SignatureN6ap0IPOzpyKs4FzaCm5Etofw5cV96pAFCkGjNabzNWdDauijVEzN9TuNhqntg5poXCfoDiga4eeVEWekcv2Dw==
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

2026-09-17T10:32:13.423786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066995
observed 74903bd9bb89938068c230a9b93ff05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:13.406113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066995/manifest.json
observed 01e9bd9aeac3062f6fd24e0ed29858f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:13.388710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066995/publication.md
observed 1ef706da8f684b8a612b3fd7abac7a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:13.371323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066995/publication.txt
observed e0f53863316e1f5f77342fc967174ce8...
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.