OpenTechnical

OT-2026-000080807

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained 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-2026-000080807) never changes.

Identity and time

Publication numberOT-2026-000080807 · never reused
Internal UUID01a0ae96-b974-77f0-a965-290fab4877a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080807
StatusPUBLIC

Content hashes

Canonical texte7957563a5c5133ace0b6b1fa8985dc41af99ec86fdf46c8d62952349535d824
Markdown94c96a93d0edf7f7f7376f69a4d18732cedd84598b06c2b2c1e4299b9791499e
PDF
Publication page371ff860f1f5915286e24a4e31183f240fdc2bf34b5eff07faa07173e5bcbe0f
Manifest980e9094fe0785fc956321c12542d267844bbf98ba7b760a769acc1a08cbdef6

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
SignatureZMV/M61DQVFhSJ9Nr1U9dO3e41eCba2HHAlNQURJGdijBaxmIRfnuHa+4xHWUKKJFC7k6dGoGOdQjPO6PKzFAw==
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

2026-09-17T10:01:59.218554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080807
observed 371ff860f1f5915286e24a4e31183f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.200305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080807/manifest.json
observed 980e9094fe0785fc956321c12542d267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.180741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080807/publication.md
observed 94c96a93d0edf7f7f7376f69a4d18732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.161356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080807/publication.txt
observed e7957563a5c5133ace0b6b1fa8985dc4...
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.