OpenTechnical

OT-2026-000087468

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000087468) never changes.

Identity and time

Publication numberOT-2026-000087468 · never reused
Internal UUID01a0ae9a-cd51-783d-acb8-4b2bb922be49 · 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-2026-000087468
StatusPUBLIC

Content hashes

Canonical text483b503c9589a9f94e35c1c301da45bdd4089eb3ebdd8a7926c02358d78347ef
Markdown09f1a008976ae818b418acf2f4f1d06b3f96fb0769e3d3533ebf207110b95ada
PDF
Publication pagea1589cfe967e824b88221da5b7b119666d2a86cbcc1bf87a297b13e34a4161b1
Manifest908adbb865153af519286d21b98e36151496a21560155e3369bef03ea5ac69bc

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
SignatureuhuBkD0gVYrWe57MrSS6Pa5twDbu1ADs48KvLZo7Jadu2iH4O5HaBOMrn4ScaOqKWdwlDjtbDfMcKVVnHXGPCg==
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

2026-09-17T09:50:47.772936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087468
observed a1589cfe967e824b88221da5b7b11966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.756230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087468/manifest.json
observed 908adbb865153af519286d21b98e3615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.740711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087468/publication.md
observed 09f1a008976ae818b418acf2f4f1d06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.722766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087468/publication.txt
observed 483b503c9589a9f94e35c1c301da45bd...
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.