OpenTechnical

OT-2026-000092804

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000092804) never changes.

Identity and time

Publication numberOT-2026-000092804 · never reused
Internal UUID01a0ae9d-b601-75b7-bd44-9389b63fc1ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092804
StatusPUBLIC

Content hashes

Canonical text4712418df74981bbc22bfb135328cf6feff0911dc2ab52862497d2639af1c45c
Markdown87a72fd634956988dbb573065f3ce001ed2490caa73baba5147d0c7ed7866d18
PDF
Publication page6f31267a7f0c6c8450b346e45fd2038c47a73aec9aee9edf10a6f089cedb8cf6
Manifest33b7c16e8682f8d4cfe4dad69cb718476c2e39e8a7078d67fb49bcbe887d7cf3

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
SignaturekYStA16CdH2DG2FGscqKaYqBc2Bv/c6u8aDsbyemsuOwXkTmtog2LSdUglwlzZmPkgmUWHB5BdXsuvfMLfBYDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:27.548893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092804
observed 6f31267a7f0c6c8450b346e45fd2038c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.530105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092804/manifest.json
observed 33b7c16e8682f8d4cfe4dad69cb71847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.512825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092804/publication.md
observed 87a72fd634956988dbb573065f3ce001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.494892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092804/publication.txt
observed 4712418df74981bbc22bfb135328cf6f...
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.