OpenTechnical

OT-2026-000086300

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000086300) never changes.

Identity and time

Publication numberOT-2026-000086300 · never reused
Internal UUID01a0ae9a-2c95-76ae-904c-117167cb5bc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086300
StatusPUBLIC

Content hashes

Canonical text242971a6714a10effd2b1395c3ef659596c1cfaf8770bba1158a8248ec746771
Markdown3d432d7a16e781cbabf23380bb2be3a63095558ac965866397df675a913c4cd8
PDF
Publication page86af4b83f3328451cb14610df6fc7f508ac544339bc26e42774f2eff4923c6f7
Manifest2a68aed9dc3501d00156f91d3fcaad4348afb9086c98a4f0db8f3f57594e5394

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
SignaturefV8rQlQcmYcPvbtlf10YDMTtPwZ6JUmDK5HDRf8RDe4I/bBRih++ge7jFD1gexlC3fhkUrqLJO3D+JEY314/Dg==
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

2026-09-17T09:51:58.757819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086300
observed 86af4b83f3328451cb14610df6fc7f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.739575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086300/manifest.json
observed 2a68aed9dc3501d00156f91d3fcaad43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.720872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086300/publication.md
observed 3d432d7a16e781cbabf23380bb2be3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.702375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086300/publication.txt
observed 242971a6714a10effd2b1395c3ef6595...
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.