OpenTechnical

OT-2026-000011982

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000011982) never changes.

Identity and time

Publication numberOT-2026-000011982 · never reused
Internal UUID01a0ae6d-1942-7817-90d2-2e831912ab6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011982
StatusPUBLIC

Content hashes

Canonical text498a4e61f954d906b9fd19da795cc19f5792f8244bb254ef5f0b700aa028a238
Markdown0b7201d31cead8a46aaa2655ffd1101a4eb9be31a42dcd780fb36cfcb2166981
PDF
Publication paged48eb7e2999bb4f751fc96b1463658917b3fcafd575ff2d68007abd435151478
Manifest48089d35144dc267031768624a085132838c51f6599451ca157afeeb93ba3d7a

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
SignatureNGCiiuuTcnyZGUKMV/LjNTAinxwON7+3+ZAc8ZJPy+uKPD2qXV6IFihh8GiWMc4WFURWdH/RPbw2C7WKGCEIBg==
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

2026-09-17T12:12:50.459394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011982
observed d48eb7e2999bb4f751fc96b146365891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.439477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011982/manifest.json
observed 48089d35144dc267031768624a085132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.419317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011982/publication.md
observed 0b7201d31cead8a46aaa2655ffd1101a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.399567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011982/publication.txt
observed 498a4e61f954d906b9fd19da795cc19f...
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.