OpenTechnical

OT-2026-000045638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045638) never changes.

Identity and time

Publication numberOT-2026-000045638 · never reused
Internal UUID01a0ae7d-8f03-7522-b2a6-245e3a88bdf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045638
StatusPUBLIC

Content hashes

Canonical text304993b17f794f25f540ab41b6d6d5c1ee230b84408bcae226caa2b2294f6225
Markdown2f1e9ed236ea7090af928814e6052e8476328bd96d4fd63fdf288769fddc5d37
PDF
Publication page685f729f17921ba3c2aedf4d1f4ae51c9c97356d840f408d5683e0a00c73fbaf
Manifest796f7f53e0ea2a7e2853cafded495b0dd20d5d279674132c3cade5ab141201b2

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
SignatureRwH8br4M5JlDw08Y4uNgn2Xn6t/N5qX557YV1ef29p33POvWxvmHevA3mOJqDJtNPhTSe/SYBbMvCCub0Ie6BA==
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

2026-09-17T11:09:25.444343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045638
observed 685f729f17921ba3c2aedf4d1f4ae51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.426107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045638/manifest.json
observed 796f7f53e0ea2a7e2853cafded495b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.405568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045638/publication.md
observed 2f1e9ed236ea7090af928814e6052e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.385767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045638/publication.txt
observed 304993b17f794f25f540ab41b6d6d5c1...
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.