OpenTechnical

OT-2026-000005862

Publication integrity record

Bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure verified, contact triggered

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-2026-000005862) never changes.

Identity and time

Publication numberOT-2026-000005862 · never reused
Internal UUID01a0a947-5bb6-7ed9-a699-fa65a8bcd734 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:41.177708Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005862
StatusPUBLIC

Content hashes

Canonical text4fbfabd29a3a893d7838f65f5287a7da429204da5ccf45d89486f0e40135d8d4
Markdown38dfe372960cf7d2ab46eb8a42f9c4da09265dfbbb42bc5cc5af67cbba6adbf6
PDF
Publication pageaaed3ee304d890a487291ab651d185293b2745e3dc3ca43c2b540a5f7fad01da
Manifestbb48ffc076786e12502675cdc71c35a850dba391258945722bd6e8ade5f3a1e0

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
Signature8ux2d9gCTxNQStOu4FVDSCg4aXMPUE4GOO+eJc8lD3dt9ZwU6daAGiGLTPIwD2FTYFDFbTUN4gXAieAJ71A5Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:24.234244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005862
observed aaed3ee304d890a487291ab651d18529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.221279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005862/manifest.json
observed bb48ffc076786e12502675cdc71c35a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.205394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005862/publication.md
observed 38dfe372960cf7d2ab46eb8a42f9c4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.190858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005862/publication.txt
observed 4fbfabd29a3a893d7838f65f5287a7da...
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.