OpenTechnical

OT-2026-000013235

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000013235) never changes.

Identity and time

Publication numberOT-2026-000013235 · never reused
Internal UUID01a0ae6d-6fc9-7214-9e77-10828762829d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013235
StatusPUBLIC

Content hashes

Canonical text93e9870e33b8a9a13270420796e7f3d42b65f197eec5fd4f08822af253bc03a7
Markdowne6dd1e02595bb3e1b0c71e0617c7dd57187df72ca6770b21825b8d5b7a360b5b
PDF
Publication page79dfc53c3a5c32b27794075a2bc638cb53fa7761bbc2b66d3a71d8ddbf1c4066
Manifesta511fe593d4022bda705da0c34c706fd19d836341f69b216b20fb51bcc5fdb60

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
SignatureR+U10jrriAXBIB6oWFyN/jm3bdj6JToNQDwKpmiRo7qqmgPdgmtghDTAHfcPXGIlVm8Y8TiC6FeRllx2YT8OBA==
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

2026-09-17T12:09:38.037167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013235
observed 79dfc53c3a5c32b27794075a2bc638cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.017176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013235/manifest.json
observed a511fe593d4022bda705da0c34c706fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.997549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013235/publication.md
observed e6dd1e02595bb3e1b0c71e0617c7dd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.978095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013235/publication.txt
observed 93e9870e33b8a9a13270420796e7f3d4...
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.