OpenTechnical

OT-2026-000071591

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000071591) never changes.

Identity and time

Publication numberOT-2026-000071591 · never reused
Internal UUID01a0ae91-e0ee-7335-aec8-798c8076d8db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071591
StatusPUBLIC

Content hashes

Canonical texta11cefa084448f0ce7639473cf2391ac3f6d40ffde2326253af20694b1c3453c
Markdownebce76cd7460342f214787b9111afe0c867fe6cb47109b3456c74385109442c7
PDF
Publication page7e6f5625312d551c42ceb59932c7bc44bcaa385fc1af486beed3bd0ab6aeb33b
Manifest699dcfe85ff877a4e7071a5afddedb441f5aef1221d3855b81d72fbd3fcd91b7

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
SignatureAziOUXD/kEJjsQCKpJRi9C02rF88d84bb7C2MLDLBo0t9jmFPUlek7Wzbh4M5karEXkfRIhG9r0/j+ck5AboCw==
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

2026-09-17T10:25:14.336926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071591
observed 7e6f5625312d551c42ceb59932c7bc44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.318440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071591/manifest.json
observed 699dcfe85ff877a4e7071a5afddedb44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.299468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071591/publication.md
observed ebce76cd7460342f214787b9111afe0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.280990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071591/publication.txt
observed a11cefa084448f0ce7639473cf2391ac...
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.