OpenTechnical

OT-2026-000066147

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000066147) never changes.

Identity and time

Publication numberOT-2026-000066147 · never reused
Internal UUID01a0ae8e-8dc3-7b22-b20d-1bd9bdc2e08f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066147
StatusPUBLIC

Content hashes

Canonical text991765a4050f7f32af01c1033781370904193cf8a4b1b38593c6069d65c5e6de
Markdownf5f4427f43bdc8b8815b008db8b529403c010224aa69626e5d0d4d4a72117fbe
PDF
Publication page6a68217df54b6074ac3d813a5e66e27fd6032c9b81ab276c57d83718e9dfbf88
Manifest06ba0edf37670e80ac286aeaed4ff97098e05f9a6dd24293d09101899759027b

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
Signaturep6RwL1X4KRZa7nAvT5FT3rGyps3OU1+UShB3PMYU0b7TBlRc9VY53LxJPrRK3khuQkAnx/4HOfmaAdkCykmbCQ==
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

2026-09-17T08:51:03.845954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066147
observed 6a68217df54b6074ac3d813a5e66e27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:03.817486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066147/manifest.json
observed 06ba0edf37670e80ac286aeaed4ff970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:03.798437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066147/publication.md
observed f5f4427f43bdc8b8815b008db8b52940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:03.778382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066147/publication.txt
observed 991765a4050f7f32af01c10337813709...
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.