OpenTechnical

OT-2026-000095417

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095417) never changes.

Identity and time

Publication numberOT-2026-000095417 · never reused
Internal UUID01a0ae9f-8f72-7816-b5c4-09eac1887cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095417
StatusPUBLIC

Content hashes

Canonical texta7c4936c22f0fbb65b8c0c6c36a74c73afff8c4621841d83620ab5fb108fae57
Markdownb8c05212dec799ad07baae1e5a88fd482247435d2ba40662c5404a62da2e79c2
PDF
Publication page7d52227884fb1306f511b13c8edd9b1056d37352441fe8fa91b51b48f9afc138
Manifest7313871719ef0cc70f69bd7f55cf33f1154d88b24793bb4956c9b9361c6170c1

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
SignaturetazxUqNlxKFXqWDSh5Dft1xetNBf3ZRBHmORgjiq/7NG7ZpBIt4nFK3LLJ+UIazL7/cAmOTyJoRld8N5QV2ZDw==
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

2026-09-17T09:36:22.047216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095417
observed 7d52227884fb1306f511b13c8edd9b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.007330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095417/manifest.json
observed 7313871719ef0cc70f69bd7f55cf33f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:21.989825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095417/publication.md
observed b8c05212dec799ad07baae1e5a88fd48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:21.952700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095417/publication.txt
observed a7c4936c22f0fbb65b8c0c6c36a74c73...
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.