OpenTechnical

OT-2026-000013136

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000013136) never changes.

Identity and time

Publication numberOT-2026-000013136 · never reused
Internal UUID01a0ae6d-6fc8-726b-ac82-b83fb7b7b91f · 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-2026-000013136
StatusPUBLIC

Content hashes

Canonical textea644faf1664fd0a6ad677fcc9d551b03367603d84f3e8e1d0ba2bac81d543a8
Markdown5419debdb60855bb2d70f0cf21f151a850f8b6c5f7fdd19eabc21da6ce45712c
PDF
Publication paged91c78ee0ce3b47136bd31ccb918e937f207ab119a5bb8573124670171ee6cd0
Manifestbb8aac830d234cdf58f05f80f91a30f0599ac5837c5a01576e8d249a34c2a4dd

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
SignatureIbFqHWDroWZjN3nRyfRDyyRdGfaPvFlJ65sQ7zCrjZPI9QCN82V0lq+4TiYY+A1bJJqzTZ0HvE+3nyWoYbh6Aw==
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

2026-09-17T12:09:25.756847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013136
observed d91c78ee0ce3b47136bd31ccb918e937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.737489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013136/manifest.json
observed bb8aac830d234cdf58f05f80f91a30f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.720266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013136/publication.md
observed 5419debdb60855bb2d70f0cf21f151a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.702311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013136/publication.txt
observed ea644faf1664fd0a6ad677fcc9d551b0...
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.