OpenTechnical

OT-2026-000015354

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000015354) never changes.

Identity and time

Publication numberOT-2026-000015354 · never reused
Internal UUID01a0ae6d-ef49-7616-af15-643ea0f801d6 · 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-2026-000015354
StatusPUBLIC

Content hashes

Canonical textb66515a7a822d7a93866cef5a015af29b40db82881c32afb8275453f59b596eb
Markdown3140a6b7115e0c0b11e6db285914eedfc1c46f3e0ca193dbaa2f1615eecbb044
PDF
Publication pagefabede3097ab33d7bccb7e8bbfc88e4d0d854c3afe607b0b1a7f4cfa48fbc0f4
Manifestead6b3748fcc72066d74e40efd88a0a86596efecc135036bbf880d6ff9487475

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
Signatureg339j4HmG8xlb/labTH/p7AVV08RswK3pq4w7qlqhVjmlbCalSyf5Ku9U7+iOus+kFa7DDipD4DSy+MKCCR8AQ==
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

2026-09-17T12:06:03.686386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015354
observed fabede3097ab33d7bccb7e8bbfc88e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.668342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015354/manifest.json
observed ead6b3748fcc72066d74e40efd88a0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.648199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015354/publication.md
observed 3140a6b7115e0c0b11e6db285914eedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.628196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015354/publication.txt
observed b66515a7a822d7a93866cef5a015af29...
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.