OpenTechnical

OT-2026-000021292

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000021292) never changes.

Identity and time

Publication numberOT-2026-000021292 · never reused
Internal UUID01a0ae6f-865c-7b15-8401-f9ce7e99af3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021292
StatusPUBLIC

Content hashes

Canonical text4d90470bdc773dcf95aedffe3d4007d0aa118ad6d4c3c2f8aac3a2bae81757e8
Markdown1a1632ea13f3883783462ad2c44a42488daa4bb17961bf7b4b135530e3894d38
PDF
Publication page1fc3b909b4cdf78a7690e85376c62cce702e56fb13f490096324bfa30d48f245
Manifestbacb2475ebba3ccc06d6296577d31b67eec04c510e5393e59914ac6574e3f542

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
SignatureRZRAW0EdkQFeZXokjs30X8vdqqNaTvsfOhSn80AP/ZpeJSwLs2Uy9fcqTjxcc7lCgG9vpUNshz4ZA63WNAhLDg==
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

2026-09-17T11:55:07.642158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021292
observed 1fc3b909b4cdf78a7690e85376c62cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.623815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021292/manifest.json
observed bacb2475ebba3ccc06d6296577d31b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.605304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021292/publication.md
observed 1a1632ea13f3883783462ad2c44a4248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.586414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021292/publication.txt
observed 4d90470bdc773dcf95aedffe3d4007d0...
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.