OpenTechnical

OT-2026-000025537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000025537) never changes.

Identity and time

Publication numberOT-2026-000025537 · never reused
Internal UUID01a0ae71-5fa8-7935-9e22-a0516fb99fec · 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-2026-000025537
StatusPUBLIC

Content hashes

Canonical text58fb3cc2678cde2dccf66230ac14f5a5ea73e6f99060d6592b362d0def008ed8
Markdown737451ac7c8b7aa0004437e0df2454c87687573385c250188ea74c515d3c8572
PDF
Publication page7e7e5b84b0461b8a0f3591da382ffa20a43b3b7eeb6c138e219ae49274d98406
Manifest6bf4bf2baccba810e027a7d3216f4618fdcca090766f6f2dc76a2f133010c95f

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
Signature9XFJ/yzP2/kjZSX8jYPNqioFuo00PJR54xjF9uu7hiAa+zOfPBnkyUv5erFwCwm7T6ncy3FjGgOnKwWVh5iuBA==
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

2026-09-17T11:47:41.026087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025537
observed 7e7e5b84b0461b8a0f3591da382ffa20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.007940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025537/manifest.json
observed 6bf4bf2baccba810e027a7d3216f4618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.988063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025537/publication.md
observed 737451ac7c8b7aa0004437e0df2454c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.969409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025537/publication.txt
observed 58fb3cc2678cde2dccf66230ac14f5a5...
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.