OpenTechnical

OT-2026-000031211

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000031211) never changes.

Identity and time

Publication numberOT-2026-000031211 · never reused
Internal UUID01a0ae74-87ab-7989-8b56-d57c34fd75fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031211
StatusPUBLIC

Content hashes

Canonical text8eed8f15558bd6452c5b70afe29c7ecd9b23054f89a8d2b94b18b348dc7cb0ea
Markdown3145a495d1478a4fe9119be42a29b0246bfe29ef4ce3d54c9c32de402526b8a0
PDF
Publication page0eb262d92c2ca6dbd51811c86afd61791682811fbffeeba2ff1382a3104eb820
Manifestfe3b46cb27e30e0090da0e26d1b6e5d3b1221a4d6eb83cc778e9afd8db47aa56

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
SignaturerkDyJN+IaCzBy066cG3/MZZfGd9UnkizpjRjyH8cbjKkKYupZDo0cY5CP3FdonYMmzYtfuNANIngejYvgTghBw==
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

2026-09-17T11:35:46.547742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031211
observed 0eb262d92c2ca6dbd51811c86afd6179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.528522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031211/manifest.json
observed fe3b46cb27e30e0090da0e26d1b6e5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.511633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031211/publication.md
observed 3145a495d1478a4fe9119be42a29b024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.496840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031211/publication.txt
observed 8eed8f15558bd6452c5b70afe29c7ecd...
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.