OpenTechnical

OT-2026-000039513

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000039513) never changes.

Identity and time

Publication numberOT-2026-000039513 · never reused
Internal UUID01a0ae78-d8d3-7c9f-a229-dfcb9bcbbc78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039513
StatusPUBLIC

Content hashes

Canonical text8ce0ba880c3b7ceb8fd3132d0b806952a86a53fcc2cc302a98e69e2ece0a11c7
Markdown2799db30cc726f5013fb9e142e57c79ccbd6668a57611e3711da4d5d3ca91843
PDF
Publication page87e2c7e06195f1d8126ab41514a7a7f7696f1a8b14aece52678570082104b9bb
Manifeste3a8c92fb4e76031a59032b537ff21013a9d6944bec5d3275f42804ec5c83706

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
SignatureceieEW3EEzH5Z11M4e9tpeNUJnJqYbARivrG43Pi+E+kv1YkqmeEUsZ0JawCBRAi+/DIH81cZ0e2NGUIu8ncAw==
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

2026-09-17T11:19:39.088329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039513
observed 87e2c7e06195f1d8126ab41514a7a7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.070017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039513/manifest.json
observed e3a8c92fb4e76031a59032b537ff2101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.013766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039513/publication.md
observed 2799db30cc726f5013fb9e142e57c79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.995623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039513/publication.txt
observed 8ce0ba880c3b7ceb8fd3132d0b806952...
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.