OpenTechnical

OT-2026-000066781

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000066781) never changes.

Identity and time

Publication numberOT-2026-000066781 · never reused
Internal UUID01a0ae8e-ce43-7ced-b2a9-4001b9ca4d7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066781
StatusPUBLIC

Content hashes

Canonical text7b32f7a3bd92521bd89066cd5e5bd010c2e2752dd8d048c05060b6443443cc17
Markdownd3c45637733e42b8f8e4525ad6c7c5df0276dd91ca66b488064e86ac1a02b22d
PDF
Publication page4324db39a0198067dc2f2052e55cd3e76c007061eb6211899c5c6732b31df04e
Manifestde64e1f54f74c5abfa5f1b3f95d3e32319cd9c1c12f553fdfea0d1f8f7cdf588

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
SignatureEZ3zS6ACUUcNVaUbkOOznIkEp2ttjiVxOJM/4J5FwbGc37J+YJPB2urCRp/y83OnmOWO90ztt1qYC3vhcKk1Cw==
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

2026-09-17T10:33:12.153438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066781
observed 4324db39a0198067dc2f2052e55cd3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.136525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066781/manifest.json
observed de64e1f54f74c5abfa5f1b3f95d3e323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.118472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066781/publication.md
observed d3c45637733e42b8f8e4525ad6c7c5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.100558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066781/publication.txt
observed 7b32f7a3bd92521bd89066cd5e5bd010...
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.