OpenTechnical

OT-2026-000013388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000013388) never changes.

Identity and time

Publication numberOT-2026-000013388 · never reused
Internal UUID01a0ae6d-6fca-7c65-b29a-cf79fe83b2c8 · 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-2026-000013388
StatusPUBLIC

Content hashes

Canonical text5274b6279ec194eebac62c8847357e8bffc998b11855e5ce09468e0b53dd8d89
Markdownf0143624985191fad6e366df1127b0ed3bf1daacad5b173225f1ada13471656e
PDF
Publication page9bbf60b3c624c7428b3eed1eaf9aaa12631750ad0a5ce11e61d7276fc5ec2199
Manifest3a4d79a37be8b1945baeaff66659bab84f4d63995e911be0aa470660a421da97

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
Signature0HV8hokywBXN5P0BU7wZoyj7dZX3bKzb4FLNIKrCZfyCqajwspTAjTQSE0Ss9IE4ab4ZULSkoACjRBgo4Y9eDw==
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

2026-09-17T12:09:51.505582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013388
observed 9bbf60b3c624c7428b3eed1eaf9aaa12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.488599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013388/manifest.json
observed 3a4d79a37be8b1945baeaff66659bab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.467983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013388/publication.md
observed f0143624985191fad6e366df1127b0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.448100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013388/publication.txt
observed 5274b6279ec194eebac62c8847357e8b...
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.