OpenTechnical

OT-2026-000012866

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000012866) never changes.

Identity and time

Publication numberOT-2026-000012866 · never reused
Internal UUID01a0ae6d-5563-7914-9a12-e4b094c19559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012866
StatusPUBLIC

Content hashes

Canonical text73ec580b617655d5a9734b3471e48e1175170d5f906e5b1e63f7848171359bc2
Markdownc874942af16acfb7011e81cd9040394211030798c787ec93883e71654f830333
PDF
Publication pagebce555240f56c28f4765e525f7b30976bdae62adc2425041907a90c0c46728e9
Manifest96c306385e9b0a015bb58350a68be1996ee2f34ff70ac0c580bb0e190d55406a

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
Signature1At9E8PIFmsZygqO4cEOALQRiSJfu6yQD7r4n+p4Q+D1pEqDj8QD+ALpjLB0XglCAaEAgdKFuNzVaFjgFeXtDQ==
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

2026-09-17T12:10:38.930057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012866
observed bce555240f56c28f4765e525f7b30976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.907703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012866/manifest.json
observed 96c306385e9b0a015bb58350a68be199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.888537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012866/publication.md
observed c874942af16acfb7011e81cd90403942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.867449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012866/publication.txt
observed 73ec580b617655d5a9734b3471e48e11...
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.