OpenTechnical

OT-2026-000009431

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000009431) never changes.

Identity and time

Publication numberOT-2026-000009431 · never reused
Internal UUID01a0ae6b-7562-71b6-99fd-c8e8703a12aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009431
StatusPUBLIC

Content hashes

Canonical texta72503c9d35fcdd15726cc53f58c8869ccae83a9fffd3ba5d7be702cbc8bd8d7
Markdown226a2cdd3b8a9608d162f47d77e5942328822581cceca698f39749253966915a
PDF
Publication pagef92e0a228ab17bbd22b13cc25dd3ad72c5dc3839ae4905af05e615ef627dff6f
Manifestd0ee6f861404d0d0edac3532400d0458ebddfcb9414b46149ec68686c21dfd8a

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
Signatureg2ZGTqIey++03zlMuf6B8mG9iaEhk9J5FqIXYY/EWZgyDEK4OGjpQ0cYpeptTc5h7LTDXBVuUFbEVRaKo6qqDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:43.255481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009431
observed f92e0a228ab17bbd22b13cc25dd3ad72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.236907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009431/manifest.json
observed d0ee6f861404d0d0edac3532400d0458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.218631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009431/publication.md
observed 226a2cdd3b8a9608d162f47d77e59423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.200391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009431/publication.txt
observed a72503c9d35fcdd15726cc53f58c8869...
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.