OpenTechnical

OT-2026-000097718

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000097718) never changes.

Identity and time

Publication numberOT-2026-000097718 · never reused
Internal UUID01a0aea1-92f5-7846-a809-74b4f0fe8328 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097718
StatusPUBLIC

Content hashes

Canonical text5cb27679de96748dc8fccc22f7dfa69d9d39b173edb3f50df579ab14f69dd519
Markdownd1edab30e35f4c0f9ac45e7a230286ef35fcab6b0123555748cbd4f217fa11d7
PDF
Publication page4947dd1422ec741a9fd75c219a2485660defdbfa07b396bfa4d263b4d947fabe
Manifestbc3ea07d5f9e1a18b88ce53e3f52f8309f6ce96519820835aa5a4c845328d16e

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
SignaturecWYiEGQz1Hh547gmNCo/sWcJz/qjuYCer3JOptLC3LSmvq/cqHpsMrALcCvtAQuESiFIA9NJ14e09i1c8ILEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:44.903935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097718
observed 4947dd1422ec741a9fd75c219a248566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.888127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097718/manifest.json
observed bc3ea07d5f9e1a18b88ce53e3f52f830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.868216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097718/publication.md
observed d1edab30e35f4c0f9ac45e7a230286ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.850011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097718/publication.txt
observed 5cb27679de96748dc8fccc22f7dfa69d...
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.