OpenTechnical

OT-2026-000100232

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100232) never changes.

Identity and time

Publication numberOT-2026-000100232 · never reused
Internal UUID01a0aea3-3053-70df-968f-d769b39b114d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100232
StatusPUBLIC

Content hashes

Canonical texta491ad59e56384554a75e553b3838ccd7f3ffe1f4f7713a115e90e0b2607b413
Markdown43258245a6df2d90b409d3cbe7294fe35f62476933c6957d1b762fa4cf5c18d7
PDF
Publication page1ef0d3bb11b7a923c1093641b26310b3bbe9a8e1a527b8c26e55e9b9b7089a43
Manifest9a96c7040e88dc4da84c32ea8daebe0569b712216db9fb0ff7ed323d6b3b7b2f

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
SignatureUsnUduIIh/w0jhyiiVA5dwyk+e3MkiL24mA4foqPOOUhf+/eowgIuE5Twhxo0J5LuGar6FpzepCCc4cHMnw8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:01.717426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100232
observed 1ef0d3bb11b7a923c1093641b26310b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.697350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100232/manifest.json
observed 9a96c7040e88dc4da84c32ea8daebe05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.674349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100232/publication.md
observed 43258245a6df2d90b409d3cbe7294fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.656248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100232/publication.txt
observed a491ad59e56384554a75e553b3838ccd...
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.