OpenTechnical

OT-2026-000030578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030578) never changes.

Identity and time

Publication numberOT-2026-000030578 · never reused
Internal UUID01a0ae73-e505-75b4-a76f-684e582b9873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030578
StatusPUBLIC

Content hashes

Canonical textc9ffcd769f806f2f92f424cbe4fb4417471e763ce42632b419092b056a31ba5f
Markdownba73a94e760aebf8de504a560b1401470a7145f925e38ccbabfb23b22c7f7849
PDF
Publication page31cfe980bb8d5c899d8d35cbf853f136ec699aed265fa0408e36af64e43822de
Manifest044558d716ed40e72365dc9c18d64a4b5ff06b2fc4d296e123ae25938184959e

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
SignaturexiIhnLjE5ELZQzpiY5EQ1higQVU6WTP0d9S7uYXoLPUVg1LaHn8vQm11Un+VcmYFJyTJ2IakjU4uxhQPG92cCg==
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

2026-09-17T11:38:27.163474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030578
observed 31cfe980bb8d5c899d8d35cbf853f136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.146776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030578/manifest.json
observed 044558d716ed40e72365dc9c18d64a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.129866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030578/publication.md
observed ba73a94e760aebf8de504a560b140147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.111051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030578/publication.txt
observed c9ffcd769f806f2f92f424cbe4fb4417...
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.