OpenTechnical

OT-2026-000074131

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074131) never changes.

Identity and time

Publication numberOT-2026-000074131 · never reused
Internal UUID01a0ae93-7177-7bf6-a177-a72a164051d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074131
StatusPUBLIC

Content hashes

Canonical textf445bc2f0296b22ab6aba2fcb720e6990ad57ab1591a7a7ed65c527b60b48f13
Markdown2700004b76ee8148639cfd35d12589f45797aa9dbeb8ec685186c2471aae80ce
PDF
Publication page0945116cba961d0af9f21228dd0d181038b3943a8cb7e1131b2644274df791ab
Manifestfe81da3fed2864a657fd503fc408d768c0cce48115f5af1b8fa788c0ceb814a5

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
Signaturef7G90KXMWvIRUmndrFZITS7eiSLKb5d+zqWdiNEZEuLixopk8pAyAvoxM7r5mvpWuCp+SV381k36RDqA96INBw==
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

2026-09-17T10:18:58.427285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074131
observed 0945116cba961d0af9f21228dd0d1810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.410796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074131/manifest.json
observed fe81da3fed2864a657fd503fc408d768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.393253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074131/publication.md
observed 2700004b76ee8148639cfd35d12589f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.377182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074131/publication.txt
observed f445bc2f0296b22ab6aba2fcb720e699...
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.