OpenTechnical

OT-2026-000023728

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000023728) never changes.

Identity and time

Publication numberOT-2026-000023728 · never reused
Internal UUID01a0ae70-aed4-7229-8d42-5cb3df3c6e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023728
StatusPUBLIC

Content hashes

Canonical textf965658f91ac8793ace7d32a19d3f49f2e85304737bb5f503c3f64b1e83a0b4d
Markdown211b3300665103b5eb4bfa9eeea2ee778a42c1748e94c8149b349a2b2b255bf3
PDF
Publication page576206c190c89b12a05769dcc9286729b1b91ad57efbe34b8aff476c15ff2ef2
Manifest55aab5584c8a7d070287681cd3b1e7bd629a540791b1516f2d3021c153d2165b

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
SignatureLD+9VQs5Z55psm6DNZFKXVxX/TvqamImXmd3B52t65xxvUkK+XC2h3Dnn6YkniF+UXtTliQJFrtmrul5qezZAQ==
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

2026-09-17T11:50:04.323021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023728
observed 576206c190c89b12a05769dcc9286729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.303305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023728/manifest.json
observed 55aab5584c8a7d070287681cd3b1e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.282124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023728/publication.md
observed 211b3300665103b5eb4bfa9eeea2ee77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.259563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023728/publication.txt
observed f965658f91ac8793ace7d32a19d3f49f...
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.