OpenTechnical

OT-2026-000010550

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, vented after 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-2026-000010550) never changes.

Identity and time

Publication numberOT-2026-000010550 · never reused
Internal UUID01a0ae6c-0ee7-797b-9f5e-61ab4a357c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010550
StatusPUBLIC

Content hashes

Canonical textfeead171f3242cafe4a75222666187ac780edaecde301b1847c29505f1432ed2
Markdownafe5e44c0ed3321a2e8ea08bdd9aa9596e326c2a9afc557d1d6e1c50aae7f3ed
PDF
Publication page32f3051f8df6519bf44987b6896d6c932b3ee9ec0c8bb769aa3d9b78e174361e
Manifest776c6d3de5c730737eea416e4dab6cb6d59a6b695db25771369ecc748766457d

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
SignatureKt0cad6mq4RRw6M7xuuVaZgKnBl13pACwokFhgXlIVowoUOxSlU1aWaFB2d/37lEaQMKEEbeuQnds71+u1tyDQ==
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

2026-09-17T12:14:43.178228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010550
observed 32f3051f8df6519bf44987b6896d6c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.156740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010550/manifest.json
observed 776c6d3de5c730737eea416e4dab6cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.137537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010550/publication.md
observed afe5e44c0ed3321a2e8ea08bdd9aa959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.116758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010550/publication.txt
observed feead171f3242cafe4a75222666187ac...
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.