OpenTechnical

OT-2026-000088285

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088285) never changes.

Identity and time

Publication numberOT-2026-000088285 · never reused
Internal UUID01a0ae9b-5d26-7ee0-b780-2f0c90f45b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088285
StatusPUBLIC

Content hashes

Canonical texta58f376d643c63a8d6458633d09a2ce95647e9e1213beecc4113d96e2351efe9
Markdowne4628e7378b5e31f44558ec2223ae7829ea59ad2f78d0b79ebc44c007d90d1c5
PDF
Publication pageb502376686d872d19d8a60c7bc1ef5a289a770377a76b1fd280c97b8ba385792
Manifeste26eeba540d5d2b1da471e6f1715024cbd08a04f32c501898b57457db738be1b

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
Signature9I6wjOWGabzkjw+s6kXrktglCQeollqYNAASe4Y2B7AVRdyWKz9T7x4p/CxIzFG5Ce817YXA2B9VDLOWZPPrBA==
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

2026-09-17T09:48:36.557970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088285
observed b502376686d872d19d8a60c7bc1ef5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.541026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088285/manifest.json
observed e26eeba540d5d2b1da471e6f1715024c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.523448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088285/publication.md
observed e4628e7378b5e31f44558ec2223ae782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.506934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088285/publication.txt
observed a58f376d643c63a8d6458633d09a2ce9...
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.