OpenTechnical

OT-2026-000025077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000025077) never changes.

Identity and time

Publication numberOT-2026-000025077 · never reused
Internal UUID01a0ae71-2729-7fa0-8aa0-7c218b174386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025077
StatusPUBLIC

Content hashes

Canonical textba29f417174fb3f6f3215086f1a612a8a90744524c4ef416afcb982052b6eb66
Markdown7e01c8293e27b6c85a0b0d7619a4f58a6fc4e4a3b4e6d53e9c2ffb90aaafea7e
PDF
Publication page4178294bed81433d3bf69c70de3047fd34d91ecc9882b90fb300b61e7c467392
Manifest4c4a873e327dd58b7769bd518bae5bcb886d361168d3180f8cda58b0b6956f69

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
SignatureAZ/4iB939Dt0Pdb1M4Ts3Y0efwggu3JLqlVE7T+T9lR9JN48ijiVMS3GR2dl+nyyxbnDjQZZo8FB5//9/Yp+AA==
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

2026-09-17T11:48:29.534522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025077
observed 4178294bed81433d3bf69c70de3047fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.517348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025077/manifest.json
observed 4c4a873e327dd58b7769bd518bae5bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.497765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025077/publication.md
observed 7e01c8293e27b6c85a0b0d7619a4f58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.481664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025077/publication.txt
observed ba29f417174fb3f6f3215086f1a612a8...
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.