OpenTechnical

OT-2026-000102320

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102320) never changes.

Identity and time

Publication numberOT-2026-000102320 · never reused
Internal UUID01a0aea4-50f4-7d80-8f72-5963b82decd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102320
StatusPUBLIC

Content hashes

Canonical text7fab45e62f61e162c78d235171a2dd0835863960a3609a84b83b1f3063284cbb
Markdown1b9523272e9dd081fb3f093001a05394335d25102e80263d8b4056dba21b8975
PDF
Publication page5c638069cf37ea6ce373bfc7de06e1df1328a7b691ea87ee52608b8f28b9401d
Manifestfdb37a0267e63329ced7ce784846508e52ac097c84120159b35699b84c7cf315

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
SignatureWrUWkG0+z3J1DoG4colb1z0SlVD5h3+i5MKTnyxrWInHhmdtFbCrq0TNxYuay4VA5Xr2J36YMtD7c0iNPsaSBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:31.262490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102320
observed 5c638069cf37ea6ce373bfc7de06e1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.243677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102320/manifest.json
observed fdb37a0267e63329ced7ce784846508e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.224885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102320/publication.md
observed 1b9523272e9dd081fb3f093001a05394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.205920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102320/publication.txt
observed 7fab45e62f61e162c78d235171a2dd08...
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.