OpenTechnical

OT-2026-000012922

Publication integrity record

Foam pad vacuum gripper, 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-2026-000012922) never changes.

Identity and time

Publication numberOT-2026-000012922 · never reused
Internal UUID01a0ae6d-5564-71fa-8283-5733d310104d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012922
StatusPUBLIC

Content hashes

Canonical texteedb5a0cb4d21f3147c4661e566808637c2b3579cb6dfe86f7862a60fa4f7ed4
Markdown6c41237c81bb6775d301c57ba2d0d2f3ac46526cb2c77f55a93d332b7cfa5e7d
PDF
Publication page22a0cf6afd9b9b30d42520aaac824879c83f68750c5ab0aefd8f02c80ec82928
Manifestb5a4da781f9ed457134494e998aede9b7e3d0451f03cf3549dd71680c452fc05

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
SignatureOSLuj22qx3cW+u6aMjcwNiF/fFTZUTdwBR/3NXTk7hd743n89TxS/0kjtpink8ObsXcyLxYHgtm62PnP2sWmDA==
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

2026-09-17T12:10:43.040568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012922
observed 22a0cf6afd9b9b30d42520aaac824879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.020398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012922/manifest.json
observed b5a4da781f9ed457134494e998aede9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.998553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012922/publication.md
observed 6c41237c81bb6775d301c57ba2d0d2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.977358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012922/publication.txt
observed eedb5a0cb4d21f3147c4661e56680863...
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.