OpenTechnical

OT-2026-000017246

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000017246) never changes.

Identity and time

Publication numberOT-2026-000017246 · never reused
Internal UUID01a0ae6e-76c8-7f24-86ea-276f5fffadf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017246
StatusPUBLIC

Content hashes

Canonical texta71c224a5cbee26110e89d2b49b1a08fcf13531d3af7431611f52fa932b690fa
Markdowne68cc3e68eb3d7d0caad470636874ea81787433e37afd98f636915289fc77642
PDF
Publication page9c458c1c64885aae363c24a3c091b089fd867149013fc584671bff02cce7d81f
Manifesta0c6f2174a208ce5cfe951f4ef76722a1935fffcd623780ea94a34dfeda3cb2a

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
Signature64q07dXQUYEXrH6YZPISz6XufixO3QaUnWNXgZ1J4I6PdUPybSYaCBhuoAxKaqqcmNekZNCxLa010J6ByqI2BQ==
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

2026-09-17T12:02:19.865857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017246
observed 9c458c1c64885aae363c24a3c091b089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.848956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017246/manifest.json
observed a0c6f2174a208ce5cfe951f4ef76722a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.829612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017246/publication.md
observed e68cc3e68eb3d7d0caad470636874ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.811915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017246/publication.txt
observed a71c224a5cbee26110e89d2b49b1a08f...
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.