OpenTechnical

OT-2026-000004051

Publication integrity record

Bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000004051) never changes.

Identity and time

Publication numberOT-2026-000004051 · never reused
Internal UUID01a0a90d-3b20-7c1b-a2be-568a0c3fbcf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:10:11.747631Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004051
StatusPUBLIC

Content hashes

Canonical text3574a640bbe7dee9f6eb3b1684c5f19ccb88de5c2099c11c7f29456b09557921
Markdowncadb0da9f938b3161842e0948a4374e69aeb4a91995f71f090e5490f2d92400c
PDF
Publication page719bbd622e431e74736297c44ba87574f17ef6e405d0d66ce49e83e351729284
Manifestc69965317e004009974b8db7608ab908c1599abe0e82c97710ba6ce4d3dcb344

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
SignatureeCeokQa2K25PlEvjQq/G+oN1PtilrCToof2PO/gi0jTJjjIINCRyr/Tb0kROzhCX+PQGNXgylDvLuR8Zb8c8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:40:33.742004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004051
observed 719bbd622e431e74736297c44ba87574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.728793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004051/manifest.json
observed c69965317e004009974b8db7608ab908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.715896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004051/publication.md
observed cadb0da9f938b3161842e0948a4374e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.703329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004051/publication.txt
observed 3574a640bbe7dee9f6eb3b1684c5f19c...
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.