OpenTechnical

OT-2026-000072968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000072968) never changes.

Identity and time

Publication numberOT-2026-000072968 · never reused
Internal UUID01a0ae92-c815-7c17-99fc-f1fdf7dda3b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072968
StatusPUBLIC

Content hashes

Canonical text9494e88a3a31d7087b2dcb02830da793d2024417af43ed91116b412486f55fdf
Markdown1472cd3526fb532b4111310c2af20f508199f995cc1881f6b2deb47298a0a502
PDF
Publication pagef9301dadead0ed50a030064af8da35d2884eeb83c27e0502be509119a760c90a
Manifest800f0fe6812fc459debe82653dcfbdb3484a84b5240ee8eb542598f33aa24455

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
SignaturewirMpUR0X3LUH3t28peMGd8WgMC3I/ivg3WJEym2h7N7AbKKqSRjz3rEA4pJtJxNaoMQSeQ0U976kcMv6CREDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:53.665877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072968
observed f9301dadead0ed50a030064af8da35d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.645665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072968/manifest.json
observed 800f0fe6812fc459debe82653dcfbdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.625434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072968/publication.md
observed 1472cd3526fb532b4111310c2af20f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.605404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072968/publication.txt
observed 9494e88a3a31d7087b2dcb02830da793...
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.