OpenTechnical

OT-2026-000066075

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000066075) never changes.

Identity and time

Publication numberOT-2026-000066075 · never reused
Internal UUID01a0ae8e-8dc2-7058-b931-9a4d4dfa140b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066075
StatusPUBLIC

Content hashes

Canonical textd0260d18dfb2ff6a104d25e51c9032328e0ee16aeedbe436f3f2ab528444736e
Markdown28b1e18ad94abec2d52d898f17f33af07033e1ead06fb2d4275f970c57b47c61
PDF
Publication page9b2881b8aa217f6ba1ce0e426d8c81b0c56db3fe9ccd6bcae083af21905e11fe
Manifest028863043abe9c65883a2c970c2c5ce6288807a2f38a0c6cd44edb2ed248fa4d

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
Signaturek5Z1ZouehEu/HAnmeGavBe6yB3iu4eZOm0z1nDf2AIBEvuvNtMmaXLlcbZQPaRlQswrT0NoHT+BLOfyKn55DBg==
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

2026-09-17T08:50:43.980637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066075
observed 9b2881b8aa217f6ba1ce0e426d8c81b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.836119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066075/manifest.json
observed 028863043abe9c65883a2c970c2c5ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.817788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066075/publication.md
observed 28b1e18ad94abec2d52d898f17f33af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.799165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066075/publication.txt
observed d0260d18dfb2ff6a104d25e51c903232...
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.