OpenTechnical

OT-2026-000022323

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000022323) never changes.

Identity and time

Publication numberOT-2026-000022323 · never reused
Internal UUID01a0ae6f-f4fd-7dc8-b1d7-29019697c102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022323
StatusPUBLIC

Content hashes

Canonical text892299c8dc3c9252dc33523ccc0d88ed7de204fc91dfac14434a1d02665e8bb0
Markdown66e4269c5076c80a127a97b4dec91509ee49e02ac9b300c2250c9e6bb9ade003
PDF
Publication page7155cad3669c1c1f039ba6f2ad5c530ca1fdf13edc6a77434f4fd0ded0b181ce
Manifest4a1fc562a3e726bd0b539e08cd2b74959bdd890043278096dc7968cf8fd513ae

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
SignaturejYrWbeURR+/1SOFztaCpnL1UO8PSm7JYcAQTb48U5Ba12Ulms/8c6X6qLRJ/iA5HeXzYRNZYX+ithcGdnVlaCg==
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

2026-09-17T11:53:40.944562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022323
observed 7155cad3669c1c1f039ba6f2ad5c530c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.926430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022323/manifest.json
observed 4a1fc562a3e726bd0b539e08cd2b7495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.909883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022323/publication.md
observed 66e4269c5076c80a127a97b4dec91509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.892382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022323/publication.txt
observed 892299c8dc3c9252dc33523ccc0d88ed...
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.