OpenTechnical

OT-2026-000029959

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000029959) never changes.

Identity and time

Publication numberOT-2026-000029959 · never reused
Internal UUID01a0ae73-ac48-705e-9a79-115c3a634872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029959
StatusPUBLIC

Content hashes

Canonical textec359f39b16d7ca4546025d6f4b4748e21502274f28aaad4f664ceb6af6099aa
Markdown6110c7386aa87ceee1a6ef4c11fa7df9a0d44574a9df2ebe6a717c1f072d6454
PDF
Publication page05f01c49ded13e35659c7cc1d0782f63c058ce57253f54eaab9eb85979038cac
Manifest5362c450497f17cbb39fb70b4377b6e93af32b68d27bb1d28396fdf9ed8ad707

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
SignatureKpvoaAZmz4Xl/Jikamb+ZL7IR+LZb/r6a0eSlAc1gWJILKxOn2cED76YIy3YpjCQ29KyCmwGCYY+hqoKbewJDw==
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

2026-09-17T11:38:40.538375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029959
observed 05f01c49ded13e35659c7cc1d0782f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.521467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029959/manifest.json
observed 5362c450497f17cbb39fb70b4377b6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.500835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029959/publication.md
observed 6110c7386aa87ceee1a6ef4c11fa7df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.479717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029959/publication.txt
observed ec359f39b16d7ca4546025d6f4b4748e...
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.