OpenTechnical

OT-2026-000064330

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000064330) never changes.

Identity and time

Publication numberOT-2026-000064330 · never reused
Internal UUID01a0ae8d-a460-765e-9768-c7951c068c6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064330
StatusPUBLIC

Content hashes

Canonical text83e0503502f886a1cca102a7cc79152a8dd9f4c2903fea970f295523555f5a2a
Markdownbcd62fad2bdbad250efb3e5335d6409693ea367ff55d625c2daf21283aae09ab
PDF
Publication page312535453b7d8a08c9a85d51dbdffc20c1f9e96d05cbf2e9ee248aca04540baa
Manifestb591af5d1456ecfeb100a238dc4a7aa6b3edbc61af596791ee7b908df815f73b

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
Signatureu3efyyQ3b1iY9zL6E5Jn8z03GokwPZKGRUVfO/4VOtcTM2O2CKehuoWemesY1wrGfLuBZmFcRj2AXUV6naO4BA==
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

2026-09-17T10:36:29.117012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064330
observed 312535453b7d8a08c9a85d51dbdffc20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.099588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064330/manifest.json
observed b591af5d1456ecfeb100a238dc4a7aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.082383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064330/publication.md
observed bcd62fad2bdbad250efb3e5335d64096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.064026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064330/publication.txt
observed 83e0503502f886a1cca102a7cc79152a...
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.