OpenTechnical

OT-2026-000008757

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, vented after 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-2026-000008757) never changes.

Identity and time

Publication numberOT-2026-000008757 · never reused
Internal UUID01a0ae6a-e46c-75ec-8c68-142955d1d143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008757
StatusPUBLIC

Content hashes

Canonical text6e5886e3a126455dcb6b5db77051125414e557c718e4f948f502ef4dd3448cc1
Markdown15eef059f064a7941df9b3c3488cc418d274689c4c6a3c9bcb69a7b52957886a
PDF
Publication pagecb4fe913bd8f29bfb0d1eb313f3d2eb1d6020c583a4ac0b356ee4868a70f6dbd
Manifest5bb5f7e537dbcdae70ce910e515382334e7f9a011a6922e0261dc2714e1e8421

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
Signaturef0lP756n8+rjvnCtCRvzziP11GkStyigvD+vxkLTeTCx/s/om5CJK+AfVO+QDJbhEC0ZwhD/eVUot3WI+AF3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:51.104683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008757
observed cb4fe913bd8f29bfb0d1eb313f3d2eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:51.083752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008757/manifest.json
observed 5bb5f7e537dbcdae70ce910e51538233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:51.062173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008757/publication.md
observed 15eef059f064a7941df9b3c3488cc418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:51.043687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008757/publication.txt
observed 6e5886e3a126455dcb6b5db770511254...
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.