OpenTechnical

OT-2026-000036493

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000036493) never changes.

Identity and time

Publication numberOT-2026-000036493 · never reused
Internal UUID01a0ae77-46e6-7a20-9a33-68798f3447f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036493
StatusPUBLIC

Content hashes

Canonical texta5825b8724bc5caaf6288fc6b2ca9f6d024cd465d52718cc8c307f694660a8b6
Markdown3e961371e222b3fd5346660667f7d352db52a45352a8468dbbe5cc448b36bbeb
PDF
Publication page7ce9e125b6207fdf7950f1ff5f168b93f19c1de8218c509d313939dc81f59d88
Manifest39745be197cd3b05e9bd80fff57f70599556ee1b308db36540ef0116f9db23f8

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
SignatureVmOdsdeSTg1UnP/TgO9wCGPpHLuFQq6ymHQhCS8IkpeW0gpBKDfUud9ZS9SUCxHXQEoPBAHJGbdgs4C7jSdnAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:25:10.934080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036493
observed 7ce9e125b6207fdf7950f1ff5f168b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:10.917646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036493/manifest.json
observed 39745be197cd3b05e9bd80fff57f7059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:10.901000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036493/publication.md
observed 3e961371e222b3fd5346660667f7d352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:10.883184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036493/publication.txt
observed a5825b8724bc5caaf6288fc6b2ca9f6d...
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.