OpenTechnical

OT-2026-000013570

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000013570) never changes.

Identity and time

Publication numberOT-2026-000013570 · never reused
Internal UUID01a0ae6d-6fcb-7444-8478-b71ac2805058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013570
StatusPUBLIC

Content hashes

Canonical textfc09fa5b577e875dcb1bfbb2a7a896745c6b2f1ac14c60c9b8cc56c658b64e72
Markdowne91274c5b4cccfd6f65c11772e89860e59700d9157d78d1f28f9d55573c95a9d
PDF
Publication pagecda3a18724523075d5fdde0a38224cdf393c03d7232b62ed854a09e67fd9df62
Manifest666f998f0f8ebfa775032691413b6ece5fd39e0fe44858ebac467b5961bfcaef

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
Signature+yeUccVSdDAtFCNbaamNMRnwp8q4EYJzv4mDVyWSEHVOvxwYEwfm4D8z066hQL8pnzs5BG3GcbPaZs66Il0xDg==
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

2026-09-17T12:10:06.895322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013570
observed cda3a18724523075d5fdde0a38224cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.877300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013570/manifest.json
observed 666f998f0f8ebfa775032691413b6ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.858106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013570/publication.md
observed e91274c5b4cccfd6f65c11772e89860e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.840545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013570/publication.txt
observed fc09fa5b577e875dcb1bfbb2a7a89674...
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.