OpenTechnical

OT-2026-000033105

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000033105) never changes.

Identity and time

Publication numberOT-2026-000033105 · never reused
Internal UUID01a0ae75-4844-7275-857b-fb6141782793 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033105
StatusPUBLIC

Content hashes

Canonical textf24350227773062f9414daf129f8723bef61d83f911670cb0b81763ef1ac43be
Markdownd4bb6cf0a175eabd56f27a3df8688377ec12b73d630de7caf2d7f7b1ae3cc6e9
PDF
Publication page55623261a72dfcf4ad53538e066dc6d1a7145a4cbe4d3f1a1e42f4335d090956
Manifest4f0b55b17f7549d8ec1e08cabf4ee8c36774886e3f4541965d09190e8cc522ef

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
SignatureVtqhFa448qOBldRxJEQD8fJU6n0utocoGtjXvJsutSQKFUYlTSr086kZo+gU9FvjtodL+Vo7ZI6gpqDmJ1p2Cg==
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

2026-09-17T11:32:45.496467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033105
observed 55623261a72dfcf4ad53538e066dc6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.480272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033105/manifest.json
observed 4f0b55b17f7549d8ec1e08cabf4ee8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.463770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033105/publication.md
observed d4bb6cf0a175eabd56f27a3df8688377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.448412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033105/publication.txt
observed f24350227773062f9414daf129f8723b...
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.