OpenTechnical

OT-2026-000014190

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000014190) never changes.

Identity and time

Publication numberOT-2026-000014190 · never reused
Internal UUID01a0ae6d-b279-7c15-8c6e-d037abe9a4c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014190
StatusPUBLIC

Content hashes

Canonical text2d00d3f392a4bef57161a01a085b3afa365290debb412aaf6f83c3139f1d3bf3
Markdown92fa66db193fc402f5818f1ca0da87590ce27e99b839bb460f982ff2fc8c001f
PDF
Publication pagece3520d05e50773c997a744b3f2a59af53548ca8f4fd495ffdab209b4cb80370
Manifest9d4d09297383c26c563965df76fcc149317cc48a16f6c0c1829da61831e28f57

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
SignatureY7qikuS5C7rjHmZGHC3tu7oRaYm+nx/qPnD5Ae1PkDMJrOLrQc+LiJKjBd7Lt0Sp16A1Qt9znU//UzegtpffCQ==
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

2026-09-17T12:07:17.292017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014190
observed ce3520d05e50773c997a744b3f2a59af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.272721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014190/manifest.json
observed 9d4d09297383c26c563965df76fcc149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.251464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014190/publication.md
observed 92fa66db193fc402f5818f1ca0da8759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.233156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014190/publication.txt
observed 2d00d3f392a4bef57161a01a085b3afa...
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.