OpenTechnical

OT-2026-000037629

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000037629) never changes.

Identity and time

Publication numberOT-2026-000037629 · never reused
Internal UUID01a0ae77-b8cf-77fd-9cb2-34141f421cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037629
StatusPUBLIC

Content hashes

Canonical text203b54b71c1f070f9a29fe269f4bc7402dd40a8a7b793bf3e51bf06581f0a7bd
Markdown3b9cc4e16624fa37b5f829f3fd66415ec6ec8a6e71b67286bc402188e7b0c354
PDF
Publication paged907b002fe647975f1c301b8d2887d7e5b31a8f887375c81c49374f019a8b768
Manifest607d3ef04b5a7b28ec913283fc6fbd6f52be5abc4f4fa27494498feece9e419a

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
Signature3YXZAi+T8Ajob4GuNl6AhaEMAKmyJoyaCuOopeAGV5aQd4GI+rT9cSwDqB5HpEbautPMLwJftbUg5tXfSDG8Dw==
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

2026-09-17T11:24:11.649140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037629
observed d907b002fe647975f1c301b8d2887d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.631455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037629/manifest.json
observed 607d3ef04b5a7b28ec913283fc6fbd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.614834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037629/publication.md
observed 3b9cc4e16624fa37b5f829f3fd66415e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.596019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037629/publication.txt
observed 203b54b71c1f070f9a29fe269f4bc740...
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.