OpenTechnical

OT-2026-000039593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000039593) never changes.

Identity and time

Publication numberOT-2026-000039593 · never reused
Internal UUID01a0ae78-d8d3-7a52-8abf-6a46675d1071 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039593
StatusPUBLIC

Content hashes

Canonical textacc8e0838f16230711b04f0ecdc0d18991209fa9e924f23e9c10c79c8e11e183
Markdown32037efbec8c2a64845903a6cd42f207fc66d741a4e75175bbe3edc86d13ceac
PDF
Publication page1c676fbeab18399ce439b8a7bcfb9c01572e7b4e05970ef845438c6839d27c58
Manifestee42f4542814db4466ecb6c9d3c707ab9bde6a27e74665118ca9ce7749f58067

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
Signature+BHlcqXD7L0VgBxYp8lwoL0oF6KQKaWUqzHrlDi8wr7VsGdtDUe0rEGQU5Gdk6K0urwv22UykVzEhGx5miKRAw==
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

2026-09-17T11:19:45.177478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039593
observed 1c676fbeab18399ce439b8a7bcfb9c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.158589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039593/manifest.json
observed ee42f4542814db4466ecb6c9d3c707ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.142405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039593/publication.md
observed 32037efbec8c2a64845903a6cd42f207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.125754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039593/publication.txt
observed acc8e0838f16230711b04f0ecdc0d189...
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.