OpenTechnical

OT-2026-000012385

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000012385) never changes.

Identity and time

Publication numberOT-2026-000012385 · never reused
Internal UUID01a0ae6d-39f6-7948-a9ea-a67b35cc09a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012385
StatusPUBLIC

Content hashes

Canonical textf6cc1e5d72f0dc23228543d1384f65a8369d2b9b10deeddb390d3f859fae3321
Markdown7d1fcaa05aeba59fb1466c9b231b2e390ef58261b53f9a6b3b12a2a8a73befa9
PDF
Publication pagefecc9f843f61fef91e4cadf4b2106ee0b8cdaa82e30b53663b77d133cf39fa4b
Manifest374bcc47eeb6a8110d25c2fdadd34c711cff4fd3c3e0c64b36d793b9619531fb

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
SignatureKHXbRgpD18cpUhCHx4czQO8AbaAlfn8I7kCCMOlH3SM7AARM8l9z56sSgMHReHYcO8VQRLx0tcZcBgTRkOQzCA==
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

2026-09-17T12:11:52.405634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012385
observed fecc9f843f61fef91e4cadf4b2106ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.387310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012385/manifest.json
observed 374bcc47eeb6a8110d25c2fdadd34c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.365856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012385/publication.md
observed 7d1fcaa05aeba59fb1466c9b231b2e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.344932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012385/publication.txt
observed f6cc1e5d72f0dc23228543d1384f65a8...
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.