OpenTechnical

OT-2026-000025458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025458) never changes.

Identity and time

Publication numberOT-2026-000025458 · never reused
Internal UUID01a0ae71-5fa8-7a9f-aa6b-1af858abcde9 · 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-2026-000025458
StatusPUBLIC

Content hashes

Canonical text924e12931f7f1b976868d2a032ddb34553d019b967484f4b0b3d10a0a11256cc
Markdowncc9edc63754743e1427c49c695614f65498752d5c1362c83fe8baa72664ecf7a
PDF
Publication page3cb1a55d4327ebe442b47c5584e673f315acda9431cbefaf00ef1af20b8020e4
Manifestf153c5c7491b42e0e00debc07ec656d9610711f44c7a70b58a12d19c6cc9653c

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
Signature8kwtRU/I+hduphfscqZWKPOL7QuFl2d00cqCMSqkSuqXmWScypam9jsVNjbPsEam9zl/gxpEd79fbDzXUDCCBw==
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

2026-09-17T11:47:32.580818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025458
observed 3cb1a55d4327ebe442b47c5584e673f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.563284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025458/manifest.json
observed f153c5c7491b42e0e00debc07ec656d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.546299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025458/publication.md
observed cc9edc63754743e1427c49c695614f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.527589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025458/publication.txt
observed 924e12931f7f1b976868d2a032ddb345...
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.