OpenTechnical

OT-2026-000086452

Publication integrity record

Foam pad 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-2026-000086452) never changes.

Identity and time

Publication numberOT-2026-000086452 · never reused
Internal UUID01a0ae9a-2c97-75ac-8c64-5e14ec584bd9 · 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-2026-000086452
StatusPUBLIC

Content hashes

Canonical textfaffdc26cf9459463ee523cb3aecabb92515f7c997ffed0f9bb9f2bf78e16265
Markdownd5c87443664ee0327ec370696199efb357cdd7123bea273ecf2985aaa6007eec
PDF
Publication page3f11113e5e5b9d3089cfdddcd995d1f871ec92f2877b0c3469994b50b73f6f3b
Manifest2d2ffbaf0386a43fb870f8c6023f974cd1ac0169d2014e8ad19037e1517cfa55

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
SignatureY5/kFxq3Vwp25o42+0V6zsAFTmC8UHa2qh89X1FqYziu/k/u4y3ddFYaFSKQsNs104lWdgmle/kCNdAOxfMeBw==
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

2026-09-17T09:52:15.279793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086452
observed 3f11113e5e5b9d3089cfdddcd995d1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.261303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086452/manifest.json
observed 2d2ffbaf0386a43fb870f8c6023f974c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.243667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086452/publication.md
observed d5c87443664ee0327ec370696199efb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.226182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086452/publication.txt
observed faffdc26cf9459463ee523cb3aecabb9...
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.