OpenTechnical

OT-2026-000025473

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000025473) never changes.

Identity and time

Publication numberOT-2026-000025473 · never reused
Internal UUID01a0ae71-5fa8-79d7-9a5d-b4e4c2baf00b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025473
StatusPUBLIC

Content hashes

Canonical textb1761c826f0a67cc56160d9e5cbe088da82317765d49b55c2bcc17dfc35fb080
Markdownb3a17e0b525dd3a9a9c00c322fe15b42f5584e444b3b9c13b3bcc2b9f0bf548b
PDF
Publication page6ffe13e5088f4dce51777bb2397c2a09be24ef898a902ee8fa3cd18d47e47dcb
Manifest34795e3ec73b14ebc0532c0a3ff544e8b5455aa09b54192de5171b4c345b0976

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
SignatureAm7HAhmH5drCJHTIflsegJ3gBTItYqbVlqskg6/2AfaSzTSjzI4N+y7TvDVwjU0fpLzHPow7+zVQeaDG+smqAw==
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

2026-09-17T11:47:33.743049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025473
observed 6ffe13e5088f4dce51777bb2397c2a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.725149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025473/manifest.json
observed 34795e3ec73b14ebc0532c0a3ff544e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.708384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025473/publication.md
observed b3a17e0b525dd3a9a9c00c322fe15b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.690485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025473/publication.txt
observed b1761c826f0a67cc56160d9e5cbe088d...
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.