OpenTechnical

OT-2026-000059902

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059902) never changes.

Identity and time

Publication numberOT-2026-000059902 · never reused
Internal UUID01a0ae89-ec26-7015-81a5-f3c28c682d4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059902
StatusPUBLIC

Content hashes

Canonical text702a133ac1b2c5d4d0fa31ceb7b752ee10d9d40086e099afadcc3c7eeea8d7f0
Markdown7967eadf34d2bc41c84cc7faea75ea3bf4eb2898a47e31ac209eeaeae1d11d7d
PDF
Publication page4e45641c79f1861afc5173c29ef21bc8f5448664505eb3367f943c33b64c19f6
Manifestc3b52649fa0e2ad0cbf486defaebbc13e0bbf44ba36d3b432495ab0524950d57

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
SignatureyYtIRuMCc5SInb2Rir8ca7lIPd3k0A0KiYfhaHJLevlhDY1JjoFArkCVska9izK6RzAlamGm7J8QxbgictSpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:39.884638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059902
observed 4e45641c79f1861afc5173c29ef21bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.867472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059902/manifest.json
observed c3b52649fa0e2ad0cbf486defaebbc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.849276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059902/publication.md
observed 7967eadf34d2bc41c84cc7faea75ea3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.829916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059902/publication.txt
observed 702a133ac1b2c5d4d0fa31ceb7b752ee...
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.