OpenTechnical

OT-2026-000089526

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089526) never changes.

Identity and time

Publication numberOT-2026-000089526 · never reused
Internal UUID01a0ae9b-db02-7a94-a076-7f1399c8b637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089526
StatusPUBLIC

Content hashes

Canonical textc0749f7c2a73b624a83aebd03da0bf32a87e41959624251d06be673a9cb2ed9f
Markdownb8770292bd863f0a1828c507042ab4a57fe87c6136fd45d0d45fd6fe14a16f28
PDF
Publication page3be3521afde431688c3751b18bb23889e6f32653d261cd7e98d2ebadfcbf28a4
Manifest6c58a9ec00a7d337c8bf04e02b2da8d70482075ccfa059e3e06fbbfa1cfaabaa

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
SignaturebbBxjvchQFReViwNiwlYcZO01T4nBrApj+D0C1Q0Y1GJ9/XWAhqmAe2HxCsKBnDzcOcxpUfyYiynJJQ9GNI9Dw==
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

2026-09-17T09:47:41.162603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089526
observed 3be3521afde431688c3751b18bb23889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.144380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089526/manifest.json
observed 6c58a9ec00a7d337c8bf04e02b2da8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.127738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089526/publication.md
observed b8770292bd863f0a1828c507042ab4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.109884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089526/publication.txt
observed c0749f7c2a73b624a83aebd03da0bf32...
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.