OpenTechnical

OT-2026-000087610

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000087610) never changes.

Identity and time

Publication numberOT-2026-000087610 · never reused
Internal UUID01a0ae9a-cd53-7384-9d75-9d4562545d59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087610
StatusPUBLIC

Content hashes

Canonical text55bfed5777a397f91bc4a7327c22b7dcce6faaa296ba64101d8febdfc0c48344
Markdown9d70dfbad07e7c4cce070379dad1ca777bdd64775849af663f02c85a9eb866b7
PDF
Publication page2a320dc519d2272b284d0067f650cb3ee5c636287c2c16b905bd4eb2f78dcd8b
Manifest1ae6933ccb202cd784847f398cc658e1295ed0345c582e8066662846b311a987

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
Signatureg5q1fGCdPpmOxFDBORqVY18t3Ea/VGLfqC2hA9ocP5jUhwEdkm9Z3R3KsO7/jBKum9JLGZF41fkSqg2CaguSCw==
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

2026-09-17T09:51:03.123175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087610
observed 2a320dc519d2272b284d0067f650cb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.107713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087610/manifest.json
observed 1ae6933ccb202cd784847f398cc658e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.091171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087610/publication.md
observed 9d70dfbad07e7c4cce070379dad1ca77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.076428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087610/publication.txt
observed 55bfed5777a397f91bc4a7327c22b7dc...
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.