OpenTechnical

OT-2026-000032991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000032991) never changes.

Identity and time

Publication numberOT-2026-000032991 · never reused
Internal UUID01a0ae75-4843-7606-b4d5-7433af7b4a03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032991
StatusPUBLIC

Content hashes

Canonical text31360a8b5cf28bd652b8ea110950a47b946eadda5f64d6f5bc0a8fb3f2dcd831
Markdownb537911c521b6f8273afabbd7aaf1219db20023015aa028f67a70cf67a7e4e8b
PDF
Publication page5f566a124fc2f1e7288dc95a7d86f8ae336ff1e60c688ecc269b242c0bfce8c7
Manifestaed4310c9125b2d897e373c2072c291c459960c60992461945f97c3031e5ae20

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
SignatureRELQJH7+L/wjwykckhbdkNeVKulQwV4Cz5efd+FtCMjX22p94dOjyEQNHPuV8W5v/d7GJYOJ0bLD4E5uW6cXAw==
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

2026-09-17T11:32:36.382324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032991
observed 5f566a124fc2f1e7288dc95a7d86f8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.364341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032991/manifest.json
observed aed4310c9125b2d897e373c2072c291c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.348549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032991/publication.md
observed b537911c521b6f8273afabbd7aaf1219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.331677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032991/publication.txt
observed 31360a8b5cf28bd652b8ea110950a47b...
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.