OpenTechnical

OT-2026-000010305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000010305) never changes.

Identity and time

Publication numberOT-2026-000010305 · never reused
Internal UUID01a0ae6b-cb7b-781e-86b7-8be3ed3da5f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010305
StatusPUBLIC

Content hashes

Canonical text6887010bcb932a299bc229e833f542803fed52a6ac47fa32d993547d895318bb
Markdown79671d8b852ff9b74e50eed8fc96a540be288b9a7dacd48fc8b7e8e71ce83345
PDF
Publication page405eb5762fea5a605696e690dfa0e208bbee6570e116a39c4a195c62086f3e66
Manifestdfac7a311bfbb0a7de72a2178f28baf4b3f26ab938263312f553fc7e0c4da8b8

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
SignatureaHO+eM+OUk7Z5x1EWtfU5LVdNrX6J2+5Y9Tg7QsGYQ3KcYU8YfkON5OPk6Q+sHcMkyznH/OA1JrWScSGLs+6Cw==
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

2026-09-17T12:16:32.304105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010305
observed 405eb5762fea5a605696e690dfa0e208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.285160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010305/manifest.json
observed dfac7a311bfbb0a7de72a2178f28baf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.267683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010305/publication.md
observed 79671d8b852ff9b74e50eed8fc96a540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.249183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010305/publication.txt
observed 6887010bcb932a299bc229e833f54280...
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.