OpenTechnical

OT-2026-000029413

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029413) never changes.

Identity and time

Publication numberOT-2026-000029413 · never reused
Internal UUID01a0ae73-5e20-7564-8bac-9b00b7ada580 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029413
StatusPUBLIC

Content hashes

Canonical textc86ec02081e26e0863772eab344e39f31cdeb3439f04f1ba989e5acaa5d533dc
Markdownb7e63ed7ebab049f4b374271115f6059992274a2d795c1b87555fd349bd334fc
PDF
Publication page8b263cedff3155e4ea429f2f0b6d4a7ffa04dce47be37ae57e6a5fd0b41ce64f
Manifest089c755703aa01a56a77bbd82d61e64a5fb90c8bbe2326fe9c6588c661a12691

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
SignatureEIQpwVlKjcR5ep7J3C+HFvWQpoJdonE1q9uDtvbND5B8+8h9skMMyIJccGrCDYw9L2vHqqeoEzhq0n8D+90gDg==
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

2026-09-17T11:39:01.057501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029413
observed 8b263cedff3155e4ea429f2f0b6d4a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.033746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029413/manifest.json
observed 089c755703aa01a56a77bbd82d61e64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.013212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029413/publication.md
observed b7e63ed7ebab049f4b374271115f6059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:00.995030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029413/publication.txt
observed c86ec02081e26e0863772eab344e39f3...
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.