OpenTechnical

OT-2026-000066229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000066229) never changes.

Identity and time

Publication numberOT-2026-000066229 · never reused
Internal UUID01a0ae8e-8dc3-7102-a169-a1f3292233a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066229
StatusPUBLIC

Content hashes

Canonical text2aa88a5df60b64c597347d41de5dcddea087c90c8f65583866dede20575b34a3
Markdown392c9f4e2d2f41230077264471a6fc5d9709efaa0193f2b74fd91609f5443c67
PDF
Publication pagef8f6a9a46f660273845917cf0dcb56a804f02bc5f2182b3dc3d39a253c7bee46
Manifesta9c083a52438b84ab4b9f7150ff6c22c57884eb6a43a8216497e36f468e51f8c

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
SignaturePcQmxHr50idOS1i9dOiMdErbJ+X9GEv2586ahIpcC/yin7BCdHCGses5MX8zHMAeK3fRCUIo4UU0DMfx5X5iAw==
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

2026-09-17T10:33:23.626665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066229
observed f8f6a9a46f660273845917cf0dcb56a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.609429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066229/manifest.json
observed a9c083a52438b84ab4b9f7150ff6c22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.590138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066229/publication.md
observed 392c9f4e2d2f41230077264471a6fc5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.570992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066229/publication.txt
observed 2aa88a5df60b64c597347d41de5dcdde...
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.