OpenTechnical

OT-2026-000044713

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044713) never changes.

Identity and time

Publication numberOT-2026-000044713 · never reused
Internal UUID01a0ae7c-39da-7919-9152-0e0f356a88db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044713
StatusPUBLIC

Content hashes

Canonical textf3a6d8617765171533eddff3e192c4f92494b4c4d494fc973829d50a8e7c699a
Markdownc608f002c7d9a06b623533c3a536f4bedac910119e2476427bd03f13c4d07271
PDF
Publication page8b1f24d35dd3e1c9305590c838965afde504cb18f2cd0e67541b2cd9b635232b
Manifest93c68821a14e1669d0399df9a8eed0bd29e71b6e0789a8d87ba80a0db1b3e88c

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
SignaturenhVWFFMPj+gqeISKXhRr/XkNKtPeNK8ZsOq4H8rnAfrtyybNDQjfPJHiQD9SNWr4njntorFuVPRSMrxJEFWRDQ==
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

2026-09-17T11:11:58.639102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044713
observed 8b1f24d35dd3e1c9305590c838965afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.620798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044713/manifest.json
observed 93c68821a14e1669d0399df9a8eed0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.601168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044713/publication.md
observed c608f002c7d9a06b623533c3a536f4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.581649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044713/publication.txt
observed f3a6d8617765171533eddff3e192c4f9...
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.