OpenTechnical

OT-2026-000049327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049327) never changes.

Identity and time

Publication numberOT-2026-000049327 · never reused
Internal UUID01a0ae81-1350-7ae8-a491-ee2f11a8c6af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049327
StatusPUBLIC

Content hashes

Canonical textbb271dcf4cc1a9596dc213279030399cbcfd1d18c83b3ed2ad6cb5846682c352
Markdownf2bf8b96ee9ca16bf80fbac7d035cc38dda30d43a9326cca7a407aacc2d945a8
PDF
Publication paged21663d21b288f90dec7524b8aef1eb4e54526bbebd84515eeed675e2a656c83
Manifesta05d78b861cb4a12f0d452596dffcaef37696add68987d0546c873fd1bca2f32

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
SignatureQ4xQK+fuBTDbB9TChhVl0j/ugkQP0jZvZF8HAcODg9K7bSirctDfKGDaocePBGTwjDJqIlVdYhCBzOyPHtmYBA==
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

2026-09-17T11:04:12.194548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049327
observed d21663d21b288f90dec7524b8aef1eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.172524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049327/manifest.json
observed a05d78b861cb4a12f0d452596dffcaef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.151285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049327/publication.md
observed f2bf8b96ee9ca16bf80fbac7d035cc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.130149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049327/publication.txt
observed bb271dcf4cc1a9596dc213279030399c...
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.