OpenTechnical

OT-2026-000034025

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000034025) never changes.

Identity and time

Publication numberOT-2026-000034025 · never reused
Internal UUID01a0ae75-df0c-7d78-bf82-6f514a1c3922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034025
StatusPUBLIC

Content hashes

Canonical text468e4a42e664ab63b46901fd8337ab788202f5883a208ab883e15d54d6c4c550
Markdown43ec75251fd3a36b1ada92457222acb428716b56cbbd16d2022ca9f9bd83ab8b
PDF
Publication page2d900f5b5441d74cb36c571b51c3e5f97242bba65dfe4d1fe3896822dd8d015d
Manifeste5ea5a2650c388ba7e2fb7b4cd0daa3cf34a2d8bb05e809a2884c37d50b8cf14

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
SignatureTyfV7Ic4wC5r/hfXpCWRLGAJkLgBYsO3FQR/5AE5pS+oV//tBseh15mv1T0+Aut9WR57m0XBgJB2wNYdTrKCAQ==
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

2026-09-17T11:30:15.102099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034025
observed 2d900f5b5441d74cb36c571b51c3e5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.085229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034025/manifest.json
observed e5ea5a2650c388ba7e2fb7b4cd0daa3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.062539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034025/publication.md
observed 43ec75251fd3a36b1ada92457222acb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.044852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034025/publication.txt
observed 468e4a42e664ab63b46901fd8337ab78...
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.