OpenTechnical

OT-2026-000023666

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023666) never changes.

Identity and time

Publication numberOT-2026-000023666 · never reused
Internal UUID01a0ae70-aed4-7eb9-9f60-34e392331d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023666
StatusPUBLIC

Content hashes

Canonical texte6b79f4929a69451ad4d4afa7eb6eff24958178dc83d730d338612c66bc31473
Markdown571ddcef5e6a8d96831cc9f94e22c2ded2b668f45d11efbba7cb3b98d6d0b70e
PDF
Publication page6ccd2718ce5ee9484c1b57a7dcc58251605d1930f33d91dd658046265964f39c
Manifestef5397aeff2cd25c1ec502881babc0e2498e995c03b99373a08611cb3464efc1

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
SignaturegS38QdYya/eI5iHRTS3Ul07tYzjlC1O64OTGW/jChC7R+XCTbOleyOAoO2peRol8Gltdhzrd1eMMCZae/+j5AQ==
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

2026-09-17T11:49:59.084691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023666
observed 6ccd2718ce5ee9484c1b57a7dcc58251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.067631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023666/manifest.json
observed ef5397aeff2cd25c1ec502881babc0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.047962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023666/publication.md
observed 571ddcef5e6a8d96831cc9f94e22c2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.031376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023666/publication.txt
observed e6b79f4929a69451ad4d4afa7eb6eff2...
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.