OpenTechnical

OT-2026-000011930

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000011930) never changes.

Identity and time

Publication numberOT-2026-000011930 · never reused
Internal UUID01a0ae6d-1942-7588-84d8-b06fba391359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011930
StatusPUBLIC

Content hashes

Canonical texte3ff32ca4ccb991148c475ecb96b0279af68b534cc6ced835656651aefa6bda1
Markdown6aa50b52d04da7b3ca2350ae2ec760c5a1d9e2348f6f17c2de03c2396bb008d9
PDF
Publication page936af9e2e02a1a1b006758552b10846dbd570be901f64852f8bf40eabf35ed5e
Manifestc20edf18700f229d021956c6f71feb6730cfee98e642a7a78e6c152ad7708d9e

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
SignaturevQ+0/xea0qRCBr0DidUWTud7xdPW9V61pAWGOiAnNDWHAkEdApMntNWNSxSf8ylwy9IuzURnyagPBkyLshRBBg==
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

2026-09-17T12:12:41.981230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011930
observed 936af9e2e02a1a1b006758552b10846d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.964210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011930/manifest.json
observed c20edf18700f229d021956c6f71feb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.945145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011930/publication.md
observed 6aa50b52d04da7b3ca2350ae2ec760c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.924722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011930/publication.txt
observed e3ff32ca4ccb991148c475ecb96b0279...
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.