OpenTechnical

OT-2026-000025345

Publication integrity record

Six cup vacuum gripper, six 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-2026-000025345) never changes.

Identity and time

Publication numberOT-2026-000025345 · never reused
Internal UUID01a0ae71-5fa7-756f-84db-e582bd546fd5 · 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-2026-000025345
StatusPUBLIC

Content hashes

Canonical textdefd923e53620efd8d289a2f9f6170a2ec0cbb6b70ccc222ffffed74c15fc004
Markdowne3bab4083e2c6c2e9410ab107830df936ac89ae5ea033816aa048c1f158b8988
PDF
Publication page7c277c69d8b3875cb9f98843ee322211b7df59dbb06f769d861f4b41350b7b0a
Manifest2329d0d6cef961373a51b18082a542607d26a6f1c2a90bf4d1caaa463da6cd18

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
SignatureisRsyL/jPlvSzSAsEpKtPJmu+X9IPtbx5WnbK8gMr9SBIbPj3xNGcE37+KR15QImdJ2tEqTdP6T/CMBz+zHaAQ==
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

2026-09-17T11:47:23.630133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025345
observed 7c277c69d8b3875cb9f98843ee322211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.605396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025345/manifest.json
observed 2329d0d6cef961373a51b18082a54260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.582835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025345/publication.md
observed e3bab4083e2c6c2e9410ab107830df93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.548619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025345/publication.txt
observed defd923e53620efd8d289a2f9f6170a2...
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.