OpenTechnical

OT-2026-000014863

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000014863) never changes.

Identity and time

Publication numberOT-2026-000014863 · never reused
Internal UUID01a0ae6d-d094-7f8f-997a-2c801b0ca184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014863
StatusPUBLIC

Content hashes

Canonical text5cab633c77d5994e6f3ca0b1125e14607cc78d23d14a843804f12a10baa962fd
Markdownbe59401a09440fedcdc01c7e8bbded39d20c1c80a6e02a15e54089c0773141f2
PDF
Publication page3b9363faf651eb49cef3be597d95ee6ab353ad125e4bc3e0b2b9fade27a859b8
Manifest764972c924f868c26bdbac983ca624459b8376fd3f827063fd73ad9d546bd85e

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
Signature8w4QolE2kOtAhARt/Pqz7SwT87jUHcvltxO72PBJTFDm/aO5x5ylHHXxmHRZhoG3f6YVNiaingC900Sw9PYyAg==
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

2026-09-17T12:06:46.928023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014863
observed 3b9363faf651eb49cef3be597d95ee6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.910275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014863/manifest.json
observed 764972c924f868c26bdbac983ca62445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.892011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014863/publication.md
observed be59401a09440fedcdc01c7e8bbded39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.871923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014863/publication.txt
observed 5cab633c77d5994e6f3ca0b1125e1460...
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.