OpenTechnical

OT-2026-000064471

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000064471) never changes.

Identity and time

Publication numberOT-2026-000064471 · never reused
Internal UUID01a0ae8d-a461-71a5-aa71-9c79552fc447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064471
StatusPUBLIC

Content hashes

Canonical text9316f35449c8c4df6645b287736db305e67d679e0065027c58f301ba7c4eb5f7
Markdown6ac561bceaddc1ca0559833324f39c00d115cabd440b90fd4ee03e53b9b29422
PDF
Publication page7fa2d4fe7226eec6a8f8fd71b3f42f8f91790ad4395ca5a8c101194e993a7275
Manifest113ad4a9ad536220098621bc419e542e57505dfec086e797757845b62797047e

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
SignaturebTiyWHabK86FZFvrr+y9IZHtNIM9SaC1qT+T1juv0ZEjM87+cxy/VrIcOiWTYPf9BMflEzPTUi7Julb2dg6cAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:39.803455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064471
observed 7fa2d4fe7226eec6a8f8fd71b3f42f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.785740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064471/manifest.json
observed 113ad4a9ad536220098621bc419e542e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.768895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064471/publication.md
observed 6ac561bceaddc1ca0559833324f39c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.750920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064471/publication.txt
observed 9316f35449c8c4df6645b287736db305...
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.