OpenTechnical

OT-2026-000033659

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000033659) never changes.

Identity and time

Publication numberOT-2026-000033659 · never reused
Internal UUID01a0ae75-a390-7978-9505-b9e958559b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033659
StatusPUBLIC

Content hashes

Canonical text7df8371841a23056e18cc20f99b1f2a3e9d2b78d98a636f827886660f1d42f07
Markdown08fc91f8c08a6f004b0a10e80efda46694c32c45bb694b974bcf6b99e319eed2
PDF
Publication pageb8a89593828dec061129db8d6821bc97d70cfb02ee66c57d1df9365db6b17aae
Manifestfdd839324b9e6ae1327c31b16753a2e186f88960937cd31aa646bce090106ef4

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
SignatureBaaUGkMLxgwdmVYMiDk57617jsJ80GFWO7ByfDzL6hun6A1jdWn+eUAEy0XRlC4JyIkfzDXsdiUPi9bU58IwDQ==
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

2026-09-17T11:31:38.735581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033659
observed b8a89593828dec061129db8d6821bc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.719002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033659/manifest.json
observed fdd839324b9e6ae1327c31b16753a2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.701400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033659/publication.md
observed 08fc91f8c08a6f004b0a10e80efda466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.682896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033659/publication.txt
observed 7df8371841a23056e18cc20f99b1f2a3...
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.