OpenTechnical

OT-2026-000064929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064929) never changes.

Identity and time

Publication numberOT-2026-000064929 · never reused
Internal UUID01a0ae8d-debd-7c2c-bd9a-79af24dfadc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064929
StatusPUBLIC

Content hashes

Canonical text5542d2ec14ca3ffb511838bb46a79043428c9fa7d698b04d344a881a02e2ce48
Markdown3c5d51dce58e19fff28bb35d86c6b5210eb462184f87b22ecd3650b0e9424a9e
PDF
Publication page9e08d8b6ef85237eda2075148e7412ac5296b29c6cd7b515770217945feff593
Manifest04fc939124161c5fd6545552c25c331c58d4f62bc75881e3d63cb2097d8b65f5

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
SignaturesRGGEp+q8WSUmfF7FJwKjG0oI04e8Sr4gB2/BJzj1/pdKQp4co/mkYJKbW7xiScZVf0tXzaG+x1XGSU3BCdcCA==
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

2026-09-17T10:35:51.924438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064929
observed 9e08d8b6ef85237eda2075148e7412ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.907025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064929/manifest.json
observed 04fc939124161c5fd6545552c25c331c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.888525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064929/publication.md
observed 3c5d51dce58e19fff28bb35d86c6b521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.868500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064929/publication.txt
observed 5542d2ec14ca3ffb511838bb46a79043...
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.