OpenTechnical

OT-2026-000063109

Publication integrity record

Four cup 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-2026-000063109) never changes.

Identity and time

Publication numberOT-2026-000063109 · never reused
Internal UUID01a0ae8c-94aa-7e23-89e3-6b7d4778da58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063109
StatusPUBLIC

Content hashes

Canonical textc9d3fc19734d5c0d4cedf205efee4315daf96ec605a70af0e3e2c5c0bb82d396
Markdown1dd81ac69facf5bd80ab5807ba8c9366ae0e6a296f65c7110da184d78acc6647
PDF
Publication pagee18e71589751173a7f1bde71b3a439ef64ef381bdddd6ca43dcc70d36269c6f2
Manifest7695a20e91e2c8dc0aabefed82d260215925449a0ccd3935ff1342ae125411e0

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
Signature//niFz/4iBSrwkYXd2kJAbftBUuY7dUDHtbRewJYwly20XoAHbZ3WNQ4kOL/zhg1ubSrCVweDD4sNKWavfSLDg==
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

2026-09-17T10:38:53.126554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063109
observed e18e71589751173a7f1bde71b3a439ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.108600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063109/manifest.json
observed 7695a20e91e2c8dc0aabefed82d26021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.090626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063109/publication.md
observed 1dd81ac69facf5bd80ab5807ba8c9366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.073176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063109/publication.txt
observed c9d3fc19734d5c0d4cedf205efee4315...
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.