OpenTechnical

OT-2026-000053561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000053561) never changes.

Identity and time

Publication numberOT-2026-000053561 · never reused
Internal UUID01a0ae85-0a93-7a9f-9623-70c9b3fd2b1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053561
StatusPUBLIC

Content hashes

Canonical textdfa26874c7b7b0328d5aca99ee0d65b2c0c4efa6858d778cff9a875d5eb98760
Markdown7cfce3fea95ab41cc452b098312888df913f3c8a0c36fe9653439602d8c2d5ff
PDF
Publication page7b99cf4966da367a55cb897e33ba40c5197831d0b9d3ef1b76f6c5c70dc72ba0
Manifest1f508ea003f39ddef2727448b8a9f9e7e049250d40ece554ba437b79f1cfcbab

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
Signature1iKvFUJdtqCDAXvrWu3IOtqMVzPzy52uHYFMgh3wYOXDWkGdBYA5xAWnUW7oKmbj4jaW3XTSscnj8tBJwZhbCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:25.322538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053561
observed 7b99cf4966da367a55cb897e33ba40c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.305793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053561/manifest.json
observed 1f508ea003f39ddef2727448b8a9f9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.287833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053561/publication.md
observed 7cfce3fea95ab41cc452b098312888df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.270357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053561/publication.txt
observed dfa26874c7b7b0328d5aca99ee0d65b2...
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.