OpenTechnical

OT-2026-000031157

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after set-down

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-2026-000031157) never changes.

Identity and time

Publication numberOT-2026-000031157 · never reused
Internal UUID01a0ae74-87ab-7824-9493-ac83e14da1ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031157
StatusPUBLIC

Content hashes

Canonical textc206b19847d03f5922321d7047314a78abcb8fc281c17f40ebe22a52ae2d2f76
Markdown1c3b12ef5c58332191c57ed149ddee45dde10b98d2557338e6b9c06af8f98dc3
PDF
Publication pagee74ca67265cdc1ae60bbc1b41e9fa91f69d6d99a868a3b3a260d3263b089567d
Manifesta575c65288efb84d8769fae4426c1f0873adbd64ca4ed9a968d2fa680e049d2b

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
SignaturegP0L4WNAnicSro5lBZKQkFBQ3LNLnv0BV/8QEM/dCjBNpxO7O1J01h6YwNH/DCPY8GIkktWfJ/ZvDOLH6NzDBg==
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

2026-09-17T11:35:42.088837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031157
observed e74ca67265cdc1ae60bbc1b41e9fa91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:42.071529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031157/manifest.json
observed a575c65288efb84d8769fae4426c1f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:42.055214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031157/publication.md
observed 1c3b12ef5c58332191c57ed149ddee45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:42.036089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031157/publication.txt
observed c206b19847d03f5922321d7047314a78...
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.