OpenTechnical

OT-2026-000064465

Publication integrity record

Four cup vacuum gripper, four 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-2026-000064465) never changes.

Identity and time

Publication numberOT-2026-000064465 · never reused
Internal UUID01a0ae8d-a461-76d7-80c9-23251e33c284 · 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-2026-000064465
StatusPUBLIC

Content hashes

Canonical text74b4e747205a5574ee1f3271987622071b6244997e6c43a82eebe45a071979f7
Markdown697089c9cf4084bd3ed32a5c693363e249ffbe9b2f7311fe7c15462155288214
PDF
Publication page751311543457843c9490a367fd50c93b7eadcbe31e0128cfdb34b8b31f2252e4
Manifest23d5fc7ae137195dbf6b7243849a9bb3a6a1c38e978f6b259da3f824e478ae3d

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
Signatureh0bVAM/acKVgMJ5D0PavpRjtOpE6VaJKw057kqxMWjUZFuerR42XU8oTihe+2Fzv2ePHKQe2c084mtcbs9lfBA==
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

2026-09-17T10:36:39.377042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064465
observed 751311543457843c9490a367fd50c93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.359619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064465/manifest.json
observed 23d5fc7ae137195dbf6b7243849a9bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.343742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064465/publication.md
observed 697089c9cf4084bd3ed32a5c693363e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.326164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064465/publication.txt
observed 74b4e747205a5574ee1f327198762207...
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.