OpenTechnical

OT-2026-000008299

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000008299) never changes.

Identity and time

Publication numberOT-2026-000008299 · never reused
Internal UUID01a0ae6a-908e-7e9b-86ec-7e2465e87521 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008299
StatusPUBLIC

Content hashes

Canonical texte21a54bcf5672bfe45367e2fbbdafb6121ce30d7ffd77e57a311da16690e0fbe
Markdownbfff0c1c54198b068743b7a2540672d0bf23138f18e84819316a76bb98efd082
PDF
Publication pagec808adba38dda1aeb1539cc2c43236a5447fa818f54e0dd40f50eb29fc9ad626
Manifestca4dadcb831698cb95450cb2b8bd8d59a79a569a3fc9248b3a4f7a6351e22794

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
SignatureJri/HQEnYyszaqulEdnmurx7i7DD9aBXBnk2mMysFGLOp0ISacWxBUr9cPYjyAOVRdfWXkN4utwa2fZ+TddQBA==
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

2026-09-17T12:20:44.813370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008299
observed c808adba38dda1aeb1539cc2c43236a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.792253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008299/manifest.json
observed ca4dadcb831698cb95450cb2b8bd8d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.771994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008299/publication.md
observed bfff0c1c54198b068743b7a2540672d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.755852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008299/publication.txt
observed e21a54bcf5672bfe45367e2fbbdafb61...
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.