OpenTechnical

OT-2026-000103055

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000103055) never changes.

Identity and time

Publication numberOT-2026-000103055 · never reused
Internal UUID01a0aea4-be3d-75fa-9506-7d3258de29f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103055
StatusPUBLIC

Content hashes

Canonical textff1bb0e7e983b9c05bf75f48e32d81ae2c663eb396afe68c1fa32d48bf0c4386
Markdownf042cf978ff7e009f68957c1fb52fb4fcfde94a0ac684f45c79f32ca6193f4f0
PDF
Publication pagef37c43de110682ee09245050fb2b67c42b2026067e56c7b209627307671ea033
Manifestd030ffe1ed066b0c8f103f0468a431e0904c915f7c053ea8087b560fab8bb4fa

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
Signaturet0rIYatfoEcPoFfcQKkbUbBd2dnNF7SELMONU/uhv2DpPJLyIsywbKhLKSuwHI0hHjgaBusrruRLKvD1yE3EDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:10.843779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103055
observed f37c43de110682ee09245050fb2b67c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.826153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103055/manifest.json
observed d030ffe1ed066b0c8f103f0468a431e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.807723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103055/publication.md
observed f042cf978ff7e009f68957c1fb52fb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.788554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103055/publication.txt
observed ff1bb0e7e983b9c05bf75f48e32d81ae...
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.