OpenTechnical

OT-2026-000092978

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000092978) never changes.

Identity and time

Publication numberOT-2026-000092978 · never reused
Internal UUID01a0ae9e-090f-7b28-9158-ce5e16b05326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092978
StatusPUBLIC

Content hashes

Canonical textaf138aa655340301398d8cd687e97aacc8da691cd99bc4626f5123ea6ba32344
Markdown69959c293dc7148a35330c76ae4267f17897feb3f859ca75ef81d0694aeb9dfa
PDF
Publication page4336b64f59d1c7189f2238668c975d96aa939d33511e510b5a741a1c28ad15f3
Manifestf4671be2429bbf0acee58f7958e36dda9b88216ee130215e7bb898d0855194c4

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
SignatureFW48Lmh0vUcQnUQvlQNXytjMMQzSJYXZjAeyk/karrthwGc9Kvacm6vSGy3d3wsw2Driivnfn/UrBxUkzKxKBg==
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

2026-09-17T09:40:10.630438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092978
observed 4336b64f59d1c7189f2238668c975d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.610959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092978/manifest.json
observed f4671be2429bbf0acee58f7958e36dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.593897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092978/publication.md
observed 69959c293dc7148a35330c76ae4267f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.574061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092978/publication.txt
observed af138aa655340301398d8cd687e97aac...
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.