OpenTechnical

OT-2026-000095857

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000095857) never changes.

Identity and time

Publication numberOT-2026-000095857 · never reused
Internal UUID01a0ae9f-fac7-73d6-9ae5-934444b63135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095857
StatusPUBLIC

Content hashes

Canonical textc8f78e0ac221eb7e34e7ad9a725e3a1b6a3ee88337312a523c0df4e51a826792
Markdownd72506d1235b4352df90c4f0c89a91ea4166b868aca1ec402f56671e43d7f09b
PDF
Publication pagec832377658af27995d8e2ad7df2f2764582d9b6329bd04b0507861c12fe74ff8
Manifestfbdc7c305940cdd3a51d55b64a17f37859e4c5039e63e97d5fdb29df53695513

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
SignatureX0XdJzAn6kQQue7f4E06k4wIFzG59u0E0lFV/O1rBSu1rBVZrAnRc5shDu0k1+NJHC+Qsyj5hyCOEoWgt5bhBg==
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

2026-09-17T09:35:56.930740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095857
observed c832377658af27995d8e2ad7df2f2764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.906525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095857/manifest.json
observed fbdc7c305940cdd3a51d55b64a17f378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.888048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095857/publication.md
observed d72506d1235b4352df90c4f0c89a91ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.868711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095857/publication.txt
observed c8f78e0ac221eb7e34e7ad9a725e3a1b...
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.