OpenTechnical

OT-2026-000076586

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076586) never changes.

Identity and time

Publication numberOT-2026-000076586 · never reused
Internal UUID01a0ae94-b06e-7d56-bd62-e15966b53282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076586
StatusPUBLIC

Content hashes

Canonical textf95b612558ca0d299c0f3acc4ae85a5b306e3d0b0806e39e4bf78df3c3d08c75
Markdown3073900e84e4765bc3e7d67918e8ae2d64ef2cfbd7e0f6bd4d881e2a71d83900
PDF
Publication page05009f694a33c6b5cc3dd2c8824296b913c363f6ec303b5c1b0c285d4220f809
Manifest250ca2c0da1bff4c430288a3dc87e4d68d70a6107134802186af8ec704c61f85

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
Signatureog/aEARv0VO8JA8OwTK8lBOUpSTcoqAEU75ACfHfQx7BU9LrSaNIBXVMyC9KQAfDVAyQt8wN82rGeH30DAzQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:18.664893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076586
observed 05009f694a33c6b5cc3dd2c8824296b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.645341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076586/manifest.json
observed 250ca2c0da1bff4c430288a3dc87e4d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.627809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076586/publication.md
observed 3073900e84e4765bc3e7d67918e8ae2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.608370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076586/publication.txt
observed f95b612558ca0d299c0f3acc4ae85a5b...
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.