OpenTechnical

OT-2026-000032653

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000032653) never changes.

Identity and time

Publication numberOT-2026-000032653 · never reused
Internal UUID01a0ae75-1070-72ed-86d6-8fe5f0aa7bb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032653
StatusPUBLIC

Content hashes

Canonical textf2884fd0e85a2dfab400aba2257b869cf0b01bd5198bf0c1545a834a2e2b4680
Markdown39b8c1e603b4467ef9dd9b2b58f5e033e511429be9eaa73e033102c59b4835ae
PDF
Publication pageccfff09115eca0933c36eed9935ce5157885c662e82e54b46f620ba7c064f770
Manifestce758732df1b19c2c24e717d31260b9e15cb296876b3197c05ef78d963bb49eb

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
SignatureqZo1VRpFKfFS63tyg447EAZuZO/7RllvN36iBhfs2j/GzOYYeydJcMGRMFNK05tP+h1K7NBIkQTQaLhDUEccDQ==
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

2026-09-17T11:34:14.834476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032653
observed ccfff09115eca0933c36eed9935ce515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.817587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032653/manifest.json
observed ce758732df1b19c2c24e717d31260b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.797578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032653/publication.md
observed 39b8c1e603b4467ef9dd9b2b58f5e033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.779663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032653/publication.txt
observed f2884fd0e85a2dfab400aba2257b869c...
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.