OpenTechnical

OT-2026-000008919

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000008919) never changes.

Identity and time

Publication numberOT-2026-000008919 · never reused
Internal UUID01a0ae6b-31b7-7359-9c0c-84118bb9ce28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008919
StatusPUBLIC

Content hashes

Canonical text602554aae1f1ee3b6429f6982cb43a92590184bab104a3ccf02177cfb8863fb3
Markdownfc20a3f1bdf6ee7ead141a3cfeccfe032fa2ec14929a4c6e72286d6fe4913e54
PDF
Publication page33d3b31b8ef185db1630495f8702955c63c8d9138d58636bebf93a01b0c4c6f3
Manifest60f028984f8d0098e4bdf31d18748422cea12f491230ef881d229e3f0bd11198

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
SignatureR6YMHYHaPtmMZkqWRM1ExuFGB8aoq6EF1+plJwXQBvMvhu/4E9OLNLPA7nZZzKBGHThJ0dx3MtAH5rG8I3dDDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:31.617548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008919
observed 33d3b31b8ef185db1630495f8702955c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.599111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008919/manifest.json
observed 60f028984f8d0098e4bdf31d18748422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.578225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008919/publication.md
observed fc20a3f1bdf6ee7ead141a3cfeccfe03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.558687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008919/publication.txt
observed 602554aae1f1ee3b6429f6982cb43a92...
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.