OpenTechnical

OT-2026-000074477

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074477) never changes.

Identity and time

Publication numberOT-2026-000074477 · never reused
Internal UUID01a0ae93-717a-7bd0-bd9b-572e885542dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074477
StatusPUBLIC

Content hashes

Canonical text496d64f23f51a8feb0cbe0aa8440baf89754b0406596f3519cbf72ad3be1fb95
Markdown90301ae861e5aacd19a463cd4f809e227b7d408562a3e84c858feabf2c9837a5
PDF
Publication pagec7c44d423a881b932c36e1539c30125eab3afa2ac6b63fe89b8677ec889ed0ac
Manifest949f26b9610ea789764f3bcac1e69c57b9670e57cbf02ac8bb5f37da4fa1363b

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
Signaturef+H59y+DRZLLBSNLi1Ko461kgzf7mKtfk8ujtC05Dpow0V1ZQn2Ri+PneE9jLkrrgJLIbuxz+VcUMzANAQHqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:26.427570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074477
observed c7c44d423a881b932c36e1539c30125e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.409501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074477/manifest.json
observed 949f26b9610ea789764f3bcac1e69c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.389926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074477/publication.md
observed 90301ae861e5aacd19a463cd4f809e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.370407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074477/publication.txt
observed 496d64f23f51a8feb0cbe0aa8440baf8...
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.