OpenTechnical

OT-2026-000044000

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000044000) never changes.

Identity and time

Publication numberOT-2026-000044000 · never reused
Internal UUID01a0ae7b-d679-7f34-84d6-ec23f469c9b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044000
StatusPUBLIC

Content hashes

Canonical texta66641a937028d0be98050bf967832664b833f9869c33c6c852b561b7fc9e29b
Markdownd340c88ef4e65693e8313dcaaaf4e5691a3d031f8941ed9d741e58e931223ed8
PDF
Publication page53d288a4b96a5e8d8ca5c2af717fa0bf9813d2df8c7cc643ece6bab4e69b1107
Manifesta4be173da4258e74c933151c2065fecbe0984a722e1a64cb9a5af107f97e6774

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
Signature99TH9jlxQik4lF5ciZy9qzUYb3v1W5UOpvxp1ckSyppP98TTHCHQmZcdza8L6Ab7ApdMmkpT0YyBInKVeYujBw==
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

2026-09-17T11:12:22.556832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044000
observed 53d288a4b96a5e8d8ca5c2af717fa0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.537465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044000/manifest.json
observed a4be173da4258e74c933151c2065fecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.519150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044000/publication.md
observed d340c88ef4e65693e8313dcaaaf4e569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.500098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044000/publication.txt
observed a66641a937028d0be98050bf96783266...
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.