OpenTechnical

OT-2026-000013766

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000013766) never changes.

Identity and time

Publication numberOT-2026-000013766 · never reused
Internal UUID01a0ae6d-8de9-7d15-a710-c3164286e228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013766
StatusPUBLIC

Content hashes

Canonical textf1294347c9e011e1e767665c22ee29b0aa11b4d62093dcd64859e535f09a040a
Markdown5e92fb175f1864263a8e1bc10d8e695e1b92c2ec01c2178d6886db9e5045f9d9
PDF
Publication page876bc5297b8d2aaaeb55c7895cae32f072ba7cffa0efcb993cc3d9d7ce590140
Manifest44ed37e585e39b7ae1f964723f93f1a9e98331332176d1a7907b70f1aad31138

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
SignatureKkf5TwUUQLjBvoQABNqXhZueMqnL8rWrKiyFnm+aOO56tENLCRr0BAloOzCSbY70fBEY0UcN62ERcvNsC0cFBw==
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

2026-09-17T12:08:50.612569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013766
observed 876bc5297b8d2aaaeb55c7895cae32f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.591924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013766/manifest.json
observed 44ed37e585e39b7ae1f964723f93f1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.568436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013766/publication.md
observed 5e92fb175f1864263a8e1bc10d8e695e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.547688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013766/publication.txt
observed f1294347c9e011e1e767665c22ee29b0...
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.