OpenTechnical

OT-2026-000012522

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012522) never changes.

Identity and time

Publication numberOT-2026-000012522 · never reused
Internal UUID01a0ae6d-39f7-72c4-be66-24b80e883500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012522
StatusPUBLIC

Content hashes

Canonical textf6b0c089a613cb9730074ba5119d6efbf1829bbb3043d69e272d0bf928f419f8
Markdown3c5d754cef90df933dbd06147a7939905501ac65248c6011ae474a2484d20818
PDF
Publication page5ee9007bb5ba6457d9770d646975ba93de7dd3c703dfbc14c948f251c69c9076
Manifest2cf2bbd9d169128e782adf6ae97e9c02814fe9d8e8b69077d299a80cc5124282

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
SignatureUjH9U0zn3UMjC5f6Xl5YFAvUHTCrZLNy2xxzAFnj8kcshbRJtauP7w5ZyMPDcS6ZyHImtGP1HTwvzZIV8D08Cg==
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

2026-09-17T12:12:02.763319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012522
observed 5ee9007bb5ba6457d9770d646975ba93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.742666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012522/manifest.json
observed 2cf2bbd9d169128e782adf6ae97e9c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.724704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012522/publication.md
observed 3c5d754cef90df933dbd06147a793990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.705594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012522/publication.txt
observed f6b0c089a613cb9730074ba5119d6efb...
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.