OpenTechnical

OT-2026-000066233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after set-down

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-2026-000066233) never changes.

Identity and time

Publication numberOT-2026-000066233 · never reused
Internal UUID01a0ae8e-8dc3-7fb2-b4d7-004189440002 · 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-2026-000066233
StatusPUBLIC

Content hashes

Canonical text9d11cca8c337c44233dc8bb0daeacad5ae6f0de67afb44d08d14d3992af2a2f5
Markdown0918254b078af6a1ae8f295a53d5250a76628be0ba88cdef6b7dd054f61d0bf4
PDF
Publication page1bde83f2417a59c9f6f37d1a5de66078d5ae7b2af9f160cd704d2206e01e02d5
Manifest3a25aacb3ce1d8c86ea44c4e194556caf48a14b7d234c145147b2da86040c5ba

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
Signature28awOxD4A4FpTOG9yKRsJR2SPUo+cCxcZ5LEfe5vGFjDq8o+rmkiBEg43vLiuGUdY23cNWlHmYGSkzjs70j+Cw==
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

2026-09-17T10:33:23.929490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066233
observed 1bde83f2417a59c9f6f37d1a5de66078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.911352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066233/manifest.json
observed 3a25aacb3ce1d8c86ea44c4e194556ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.893244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066233/publication.md
observed 0918254b078af6a1ae8f295a53d5250a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.874482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066233/publication.txt
observed 9d11cca8c337c44233dc8bb0daeacad5...
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.