OpenTechnical

OT-2026-000039121

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000039121) never changes.

Identity and time

Publication numberOT-2026-000039121 · never reused
Internal UUID01a0ae78-9673-7219-ba20-0bb450ed7f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039121
StatusPUBLIC

Content hashes

Canonical text978716b7ec51152364bcc01d15768c70b0c5ebf470bc0c2977e8093c8f7d5502
Markdownd9c50c81f874935c0cd599e556298ccf9ae76a4b995f239869f3629382efa010
PDF
Publication page9464738b4fc35511f0327412be9a9886e2adc64c911de8bb0540e69a1ad7aa68
Manifestc9eeda2a6ace5f2600659c2bf71197e97a9187ca8325acf3656408cd7e8d03f6

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
SignatureRNVTKWF6l/H3uxfupsFzuAIxyrVHfo5vpzj2FUKHo32g9CLiLbFd0j6CZ1iLS9ZgtAqMXr2oYpVcUlTbA7+ZCw==
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

2026-09-17T11:20:36.578047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039121
observed 9464738b4fc35511f0327412be9a9886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.560528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039121/manifest.json
observed c9eeda2a6ace5f2600659c2bf71197e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.540354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039121/publication.md
observed d9c50c81f874935c0cd599e556298ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.522599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039121/publication.txt
observed 978716b7ec51152364bcc01d15768c70...
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.