OpenTechnical

OT-2026-000072268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000072268) never changes.

Identity and time

Publication numberOT-2026-000072268 · never reused
Internal UUID01a0ae92-47c3-7c63-81b0-56eae953bcb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072268
StatusPUBLIC

Content hashes

Canonical text0b3584800f84a59293b6fb7f6326b802f28e532f2afb8282a75606097a6c6aea
Markdownaa71e05435d384ee7e3ddf5fd0011d9dcb003870ad8b1aeea3cc3b3e43bdd8f7
PDF
Publication page3b81247669218681aaad4b8ba97447bdc12463570e84b6601d51ff44b6e94e84
Manifest94624a9a852380b765f764b452a63de0092a136ad7a0ada9c97681537a7965eb

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
Signaturelon4TBkTe8ZcmeZyjBjssXG7Zl0qtzg8eH4rzrhaU4L6QL2vD6sdHQ6F6WnQ3dwq4mRmQ2v1SJnUz1uqwy86DQ==
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

2026-09-17T10:23:22.831299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072268
observed 3b81247669218681aaad4b8ba97447bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.813237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072268/manifest.json
observed 94624a9a852380b765f764b452a63de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.796491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072268/publication.md
observed aa71e05435d384ee7e3ddf5fd0011d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.779548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072268/publication.txt
observed 0b3584800f84a59293b6fb7f6326b802...
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.