OpenTechnical

OT-2026-000086458

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000086458) never changes.

Identity and time

Publication numberOT-2026-000086458 · never reused
Internal UUID01a0ae9a-2c97-737f-ab47-56b52242eeeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086458
StatusPUBLIC

Content hashes

Canonical textb1a3e5d1fe9846fbdbba7337e52afdba59c4d2a285b03b87971d99425d3cef1d
Markdown473437ef1d732a57f780aca7ad44e934ccb514ffdfa24a5a5ce08c03a1ddda87
PDF
Publication pageea054bd97bb2734e8c9ddb53e67bff4fe4ea723094b40331a1da0af90bb2734d
Manifest79493e7f07452d45c2d97c54951b78926d124f35624c8b5e46ebea2e8cd608e3

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
SignaturevJ9+3bJ/BCxem+qaHui5cAPtq4T3st7glHGVkSaXyJl/hk7QHlsG2m11Ss4KS79GG51gKxKhhmXToEfzoELmCg==
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

2026-09-17T09:52:15.715235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086458
observed ea054bd97bb2734e8c9ddb53e67bff4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.699226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086458/manifest.json
observed 79493e7f07452d45c2d97c54951b7892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.681578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086458/publication.md
observed 473437ef1d732a57f780aca7ad44e934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.663804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086458/publication.txt
observed b1a3e5d1fe9846fbdbba7337e52afdba...
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.