OpenTechnical

OT-2026-000029763

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000029763) never changes.

Identity and time

Publication numberOT-2026-000029763 · never reused
Internal UUID01a0ae73-5e24-70fb-9bc6-5083cafe5da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029763
StatusPUBLIC

Content hashes

Canonical text6ad00e291e72d352536d5f30fb2172c098f1f640c71f2ccde009b7cf3ab36709
Markdownf58c3ed3eaacc2ce2b6d37ecbec8742cb992e9ba9b7537f9322582706b1fb61b
PDF
Publication page39b6cebdb9f7539df41be65d6df09d845becb86392d03df9af27d02e880a73f6
Manifestb26c5dbb7244bff14bd8dadff809b3cfecc2f5c26e50b92395897df79fd82799

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
Signature4GlJK0dHvL534FIKQknRq0v3OTFiJnRct61BvprojAiyr/JbsmPF2tSNWh8xjYLe/gUQS7jjJ4jS+xu6QVVVBA==
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

2026-09-17T11:39:30.053106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029763
observed 39b6cebdb9f7539df41be65d6df09d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.034939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029763/manifest.json
observed b26c5dbb7244bff14bd8dadff809b3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.014228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029763/publication.md
observed f58c3ed3eaacc2ce2b6d37ecbec8742c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.990333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029763/publication.txt
observed 6ad00e291e72d352536d5f30fb2172c0...
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.