OpenTechnical

OT-2026-000036903

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000036903) never changes.

Identity and time

Publication numberOT-2026-000036903 · never reused
Internal UUID01a0ae77-773f-772c-a61b-2721b58908b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036903
StatusPUBLIC

Content hashes

Canonical texte5d835883bad7def92063133eb5238815086b704ad80f3f01faa51b3c6b2c10d
Markdown1e6466b93efa3663b60096c234cda9ae7ad7e87099b8c7a65580a2a242a9dc31
PDF
Publication pagefffaafcccc83f70b4691a0ccc9ecd92860556249bff5e4008471ee3eb8c69f84
Manifest6b18f487b8412f986e5a5ed8adef9146a38ee4b598661328aad34c471719fcdf

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
Signature1URH/IhgZxLJZL9KpuLI3wHj5t826bPM36qbV7u4rs6pRacVvbJ3lHAhKsNeQ7Lo9fmFFBP2B9hx0TTpf01DAg==
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

2026-09-17T11:24:32.582059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036903
observed fffaafcccc83f70b4691a0ccc9ecd928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.565901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036903/manifest.json
observed 6b18f487b8412f986e5a5ed8adef9146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.550190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036903/publication.md
observed 1e6466b93efa3663b60096c234cda9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.533135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036903/publication.txt
observed e5d835883bad7def92063133eb523881...
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.