OpenTechnical

OT-2026-000011121

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000011121) never changes.

Identity and time

Publication numberOT-2026-000011121 · never reused
Internal UUID01a0ae6c-540f-79ef-882c-fb8160e0238b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011121
StatusPUBLIC

Content hashes

Canonical textf0563dbef5f58e5c3e8d6d7aeba94bf0c2a164cdd94b2e8236ab41c7f213113f
Markdown91ab76334e8d5d3761ac4149bedf8aa523ac62c5f3c66e1c9a00e680658766c6
PDF
Publication page2f6d8a824e1fa9789cca3ca97133877d942eed7b310e64b5e4dc61740b79ea3a
Manifest86713721ba07b8f57179c4004df2f338dd8ac6287a27ef39eec1551ab5857b53

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
SignaturejLHfv7hwlryV9J6TpDA53aEMvhd0gTFxis3ylNAINkfI9BygaNUyUuUgMPfhxuG/WPCEZKxo7R6OAhn71bEnBg==
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

2026-09-17T12:13:58.400911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011121
observed 2f6d8a824e1fa9789cca3ca97133877d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.381789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011121/manifest.json
observed 86713721ba07b8f57179c4004df2f338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.360731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011121/publication.md
observed 91ab76334e8d5d3761ac4149bedf8aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.341694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011121/publication.txt
observed f0563dbef5f58e5c3e8d6d7aeba94bf0...
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.