OpenTechnical

OT-2026-000041653

Publication integrity record

Single cup vacuum gripper, pump fed, sustained 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-2026-000041653) never changes.

Identity and time

Publication numberOT-2026-000041653 · never reused
Internal UUID01a0ae79-e8a0-76eb-a23c-40181392ef99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041653
StatusPUBLIC

Content hashes

Canonical texta94fa58813489b4d0287b2e2cac620dd31046aa39bb0c417dd09994dfdaaf974
Markdownc3626f01a4f1cdcf8b137c4fe56545a41065be0017f15acd05ac41ac0e361ec3
PDF
Publication page517aa97d6307891d588e788c9d2a034d713a77cbb0975fd8d2d9f44337fd1fb6
Manifestcdd05e948cbd517e95c6a08883be811ed1ca99fa724f27cbe6705fdf03259b2e

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
Signaturejoe5HD0ZoVrMv+pvz0hpYGrPL71Cp0aY/BQ9QLS0v7+1WgTQJ3LECKaRtCXQw9Jd+ukbmql8YnwLuuyvD1DXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:27.409089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041653
observed 517aa97d6307891d588e788c9d2a034d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.393213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041653/manifest.json
observed cdd05e948cbd517e95c6a08883be811e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.376683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041653/publication.md
observed c3626f01a4f1cdcf8b137c4fe56545a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.358653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041653/publication.txt
observed a94fa58813489b4d0287b2e2cac620dd...
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.