OpenTechnical

OT-2026-000015183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000015183) never changes.

Identity and time

Publication numberOT-2026-000015183 · never reused
Internal UUID01a0ae6d-ef47-76f6-acf8-ffcd79dc112c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015183
StatusPUBLIC

Content hashes

Canonical textd0af98f59e1424dcf525c17d6320c7bc5709e2e4481935792b780f2e4b608e33
Markdown4539d6f8450da45f792910d0d08d6514fce87c961ba343175132da10957d8e36
PDF
Publication page26fb01571c5ecb03756242b71c684d9ca97d3f65900e1d29336ab583c92c479d
Manifeste12d89960a812c7aef50b7c5475503be1f06c5dc7c8764dacee0b3d8a57b711e

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
SignatureWkOpj5nVMhhIHQSuMg6e7MAeSsUQ57xaeNbwg5+UMgASG01rPRad5SrqXDCX5Qe7LjR/ed7je71RmWT5RXSrCA==
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

2026-09-17T12:05:48.397979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015183
observed 26fb01571c5ecb03756242b71c684d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.379621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015183/manifest.json
observed e12d89960a812c7aef50b7c5475503be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.362615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015183/publication.md
observed 4539d6f8450da45f792910d0d08d6514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.345192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015183/publication.txt
observed d0af98f59e1424dcf525c17d6320c7bc...
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.