OpenTechnical

OT-2026-000025194

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000025194) never changes.

Identity and time

Publication numberOT-2026-000025194 · never reused
Internal UUID01a0ae71-5fa6-796c-8361-4ff0fa0b7b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025194
StatusPUBLIC

Content hashes

Canonical textac172d0bc600623f1245f73c50786c81a4ad4f3b5d8af81637465e64239a84b4
Markdown6765c8198941bd617b9bd8add5336e7cabb6c71016d9f9441fc02c2dfb891e53
PDF
Publication page523387ecd1920d09db6b32fe871c94145eb3412b297fb25b1ad229ea60aa950c
Manifestb3297884ba095dbd9ec6245624a7b6e6e6ffdbd93ab85fb277127894e84dfcf4

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
SignatureyqGox7j0bYtPse/oMtyIfKYF07qB0r1njo32ULuVl5ooUYcGTkEu/BBHGRdWKMwhObaFcxwb1bLIULAZ6yJ1Dg==
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

2026-09-17T11:47:10.916981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025194
observed 523387ecd1920d09db6b32fe871c9414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.899966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025194/manifest.json
observed b3297884ba095dbd9ec6245624a7b6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.878190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025194/publication.md
observed 6765c8198941bd617b9bd8add5336e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.859834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025194/publication.txt
observed ac172d0bc600623f1245f73c50786c81...
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.