OpenTechnical

OT-2026-000031364

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031364) never changes.

Identity and time

Publication numberOT-2026-000031364 · never reused
Internal UUID01a0ae74-87ac-7062-a759-c04d9c6d9dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031364
StatusPUBLIC

Content hashes

Canonical textbf0d0da913a74baaf3694bf51764edd914ccc9adcce81bc372023d6c6bbe1499
Markdown62919cc8ab2688bc10c1868f6c7bffe864530178b3d049f307e28fb97cc7c77c
PDF
Publication page3eb443104100439430af0ea0a9bf4df6007d8e3e152ba2240e483884b3f049ea
Manifestc3334f2278992c1d0165b21a57e469dab71f6926c49e12873319d79317574359

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
SignatureIh5ChrkNL9ihN5wOwyYqBqFHB9pdKoujh50iSErw4G+wwJOJMuiRKSTBxopiiG9qdttwE48XQatBGMY/9VJTAw==
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

2026-09-17T11:36:03.989597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031364
observed 3eb443104100439430af0ea0a9bf4df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.969190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031364/manifest.json
observed c3334f2278992c1d0165b21a57e469da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.950245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031364/publication.md
observed 62919cc8ab2688bc10c1868f6c7bffe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.932275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031364/publication.txt
observed bf0d0da913a74baaf3694bf51764edd9...
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.