OpenTechnical

OT-2026-000015342

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-2026-000015342) never changes.

Identity and time

Publication numberOT-2026-000015342 · never reused
Internal UUID01a0ae6d-ef49-79db-8201-4c4f0bf282db · 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-2026-000015342
StatusPUBLIC

Content hashes

Canonical text847ece58b56b44dfd7df7056ed5f820f974f913a043d15c1d7a670404fad89e7
Markdownecc6cf83ba70918f7aec7c3a79404ad8e92c3949084eeb77380fe1f2ec0ab1b0
PDF
Publication pagea221a877c43d1fde134f27507d67687b241017ceafa3c1718d2f67316e670f9f
Manifest768ae7b29acb43520a7f1e979651f0c72154a0858c197bcfc0f46d6dd4e35406

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
Signature8ojj4KAaSiqnLSuBCZSu8h3gCJ0X5cQbmLQ7J6hN3whfVhqZ0AEuXq93pKBnOFC50ESOnqL7jSahSmV1Ya0/Bw==
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

2026-09-17T12:06:02.687960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015342
observed a221a877c43d1fde134f27507d67687b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.668645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015342/manifest.json
observed 768ae7b29acb43520a7f1e979651f0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.651621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015342/publication.md
observed ecc6cf83ba70918f7aec7c3a79404ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.633337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015342/publication.txt
observed 847ece58b56b44dfd7df7056ed5f820f...
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.