OpenTechnical

OT-2026-000025740

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000025740) never changes.

Identity and time

Publication numberOT-2026-000025740 · never reused
Internal UUID01a0ae71-9bca-7cea-880c-48e08b43826f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025740
StatusPUBLIC

Content hashes

Canonical text1fa7894178ec7e780a045646472917098f57bf6300707b99db5241ce60f86122
Markdownd58a9c42e482d07b988cd68a14fe27d3bf5f165151e1be01cb170acef87c1bfd
PDF
Publication page1a622d95502badafedf97e654514626944b473a8da62c811ed88299cd6be992a
Manifest36012858e96e219b4563c69bde0c11530383e5845412e4f186a16e6815210f92

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
Signaturezsk3a1LJ0OzqFZkAOWt06AsWFzxtMiLOarLb1iO7D0QJxXGfAvMUGBJuODSqFBChc8ZCBdxYQEOpv++LT++xAA==
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

2026-09-17T11:46:57.860378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025740
observed 1a622d95502badafedf97e6545146269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.841936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025740/manifest.json
observed 36012858e96e219b4563c69bde0c1153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.822077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025740/publication.md
observed d58a9c42e482d07b988cd68a14fe27d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.802616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025740/publication.txt
observed 1fa7894178ec7e780a04564647291709...
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.