OpenTechnical

OT-2026-000087287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000087287) never changes.

Identity and time

Publication numberOT-2026-000087287 · never reused
Internal UUID01a0ae9a-cd4e-7666-8ade-88c15939169a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087287
StatusPUBLIC

Content hashes

Canonical text57dba598cf033b7c8184095234b3b2a440cbabd6fa2573a8cec59b3b9ea0018e
Markdowna9686483efa91b435b55763afbda9ab46717d17a9f8d3e1e4c7626b224d11e0b
PDF
Publication page99335553cd6aee241480947681aa12510978021a01dd312fce452442c52d3cf1
Manifest0f818eb9fb011d12caf6a1eb5650638f2ddace7c38242b41605ec3bc97c482f8

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
SignatureBL4qjz4D2Vb+oOXYmHBHw7c7USwuDcamscaAJD8OWDxiYPOumM3BBfsauEykNCGDB9H27wmLWugnkOqgU6PpBA==
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

2026-09-17T09:50:26.362796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287
observed 99335553cd6aee241480947681aa1251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.342639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287
observed 99335553cd6aee241480947681aa1251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.341598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287/manifest.json
observed 0f818eb9fb011d12caf6a1eb5650638f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.324678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287/manifest.json
observed 0f818eb9fb011d12caf6a1eb5650638f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.322771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287/publication.md
observed a9686483efa91b435b55763afbda9ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.304008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287/publication.md
observed a9686483efa91b435b55763afbda9ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.303441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287/publication.txt
observed 57dba598cf033b7c8184095234b3b2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.284122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087287/publication.txt
observed 57dba598cf033b7c8184095234b3b2a4...
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.