OpenTechnical

OT-2026-000037455

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000037455) never changes.

Identity and time

Publication numberOT-2026-000037455 · never reused
Internal UUID01a0ae77-b8ce-7ea3-b25b-779c9922183e · 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-2026-000037455
StatusPUBLIC

Content hashes

Canonical text120c1969ac2f6df0fad5124478fa2b9bbb8eaa7ca9626d195cf8776b6a1d6b3f
Markdowncb3213eeda06a22332aa137241536c23fc2c1ab9be5fc22b9711d388d3645d44
PDF
Publication pagecb72c9391c6d28765cc5832c840605579695cc8cc511c0129a80e18bd5241ef4
Manifest1cdfba2f6439dc0d986d04d829c87ca749170725e55937aad99d2c0718629589

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
Signature9+uQH5sYIQbXb0Bz0WHJYvlRFkXlDgK37vpoXiJaerLuOmAhBD+9qS1EYlkCA/NNtO1Sg0qu5AOfN7DpuEHaBQ==
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

2026-09-17T11:23:31.651098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037455
observed cb72c9391c6d28765cc5832c84060557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.633886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037455/manifest.json
observed 1cdfba2f6439dc0d986d04d829c87ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.617734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037455/publication.md
observed cb3213eeda06a22332aa137241536c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.580394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037455/publication.txt
observed 120c1969ac2f6df0fad5124478fa2b9b...
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.