OpenTechnical

OT-2026-000070073

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070073) never changes.

Identity and time

Publication numberOT-2026-000070073 · never reused
Internal UUID01a0ae91-1861-7632-b5a2-3214915db0a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070073
StatusPUBLIC

Content hashes

Canonical text37bcad22f9d90ba220b1ca126bb152ec578b245d92b677896fd43041d9a3f064
Markdown5a22cc3d3b878aa1872082e3713f9f4eb3a546f46d5b9e96296bfe967f92808c
PDF
Publication page3197471cb41bf8a4d205670f3c0e7956402f22d18e969adfcd4356cb85c92503
Manifest7c3742692e7a403450e95a5bed7d121851b5d59862e7310747a928bff348c760

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
Signature1hpWGpaM4U9IoCEz56OP+xhykjfXCDDhSlYDh55pT9zrnGs+M7djK4SxTPZvYpHaAVN68pC5UzRZeF+O1PQpDw==
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

2026-09-17T10:27:02.107262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070073
observed 3197471cb41bf8a4d205670f3c0e7956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.089131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070073/manifest.json
observed 7c3742692e7a403450e95a5bed7d1218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.070803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070073/publication.md
observed 5a22cc3d3b878aa1872082e3713f9f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.047454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070073/publication.txt
observed 37bcad22f9d90ba220b1ca126bb152ec...
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.