OpenTechnical

OT-2026-000094617

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000094617) never changes.

Identity and time

Publication numberOT-2026-000094617 · never reused
Internal UUID01a0ae9f-2deb-7f00-a1a6-9693d57d0937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094617
StatusPUBLIC

Content hashes

Canonical textd7f0c536ef13822dbcc7e57b0b5623a73d27cf8f75509692e76b0e8193a495b7
Markdown7c63372a4a0e01ef3c9cb225c2355c543b70b2e3be7d8f1152f4aeb09ee9e29e
PDF
Publication page777a25c71879285bb0bd27e34229f93fc7941bd513aef0e8b150ae73b3ba83ab
Manifestbb7dd858465618e72c6f1498e207c8105b77dd8b47d80190a2830aa8dbce61b5

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
Signature5uliwroTmvaOf4jmoatoYVfPOD/TVhEjlPmqTWjlO5ifZOyB57m5zqKq1OHERepMwjXUGIC/2Fl9zMqmdz3CAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:03.290765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094617
observed 777a25c71879285bb0bd27e34229f93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.276194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094617/manifest.json
observed bb7dd858465618e72c6f1498e207c810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.260870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094617/publication.md
observed 7c63372a4a0e01ef3c9cb225c2355c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.244603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094617/publication.txt
observed d7f0c536ef13822dbcc7e57b0b5623a7...
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.