OpenTechnical

OT-2026-000025274

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025274) never changes.

Identity and time

Publication numberOT-2026-000025274 · never reused
Internal UUID01a0ae71-5fa6-742d-9c9c-76e32ce0265f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025274
StatusPUBLIC

Content hashes

Canonical text59e1fab85bb30acf72fbaf83689fd2c582f40d1b993e7a76c6d9e82796128dcd
Markdowncc949d646dfba377fff7ac3c465afe460b320908d1e0d11bc980b5f18517f917
PDF
Publication page1131ed806b2f6384eb4a2a62eec087ee90ef4a0625ee976ebb11958f0eac4831
Manifestc14fdeae8117b0e98820fbd74e519ec221cec84a2535f6dbdce6d6d9a9bf6ea6

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
Signature/9U8gGLVekS+U1aGK29DjhF79lP6NVmW0Kp3Lq4NGHXoANlxeANgky5V1BTZU2skpk+XTcEF2VFpCpVqj+S1AA==
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

2026-09-17T11:47:17.073628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025274
observed 1131ed806b2f6384eb4a2a62eec087ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.056120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025274/manifest.json
observed c14fdeae8117b0e98820fbd74e519ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.038222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025274/publication.md
observed cc949d646dfba377fff7ac3c465afe46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.021079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025274/publication.txt
observed 59e1fab85bb30acf72fbaf83689fd2c5...
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.