OpenTechnical

OT-2026-000066001

Publication integrity record

Single cup vacuum gripper, single stage ejector, 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-2026-000066001) never changes.

Identity and time

Publication numberOT-2026-000066001 · never reused
Internal UUID01a0ae8e-8dc2-7abd-a508-c5320ced1646 · 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-2026-000066001
StatusPUBLIC

Content hashes

Canonical text55b8f38e118297a60870c0f4cb4a247f1a45e2559050ba7ef18d7c6efc64b095
Markdown8d0f848f239b460323937fc1fb9f7e44852fb33409b9ececcfe0f0ec534bf25b
PDF
Publication page6fd7366552f6bf98ba21e6f44aa9e498a08aa783ff7bd8a6ae3f581c32ed6fd4
Manifeste1a410b8b0a9540ef49ac4f75390e60de54e5e1853df3aa013c79c36c3dbbd88

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
SignaturezJN8hwC46e6Fvz4+Ti/LhDwGMZUnw6EBIPyYtFn7fDox5E6TuGlzWEFp8njvoLWnxXkRO2dd8Pt1ZAJMsON6CA==
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

2026-09-17T08:50:31.751470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066001
observed 6fd7366552f6bf98ba21e6f44aa9e498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:31.730434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066001/manifest.json
observed e1a410b8b0a9540ef49ac4f75390e60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:31.586076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066001/publication.md
observed 8d0f848f239b460323937fc1fb9f7e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:31.566259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066001/publication.txt
observed 55b8f38e118297a60870c0f4cb4a247f...
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.