OpenTechnical

OT-2026-000012430

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000012430) never changes.

Identity and time

Publication numberOT-2026-000012430 · never reused
Internal UUID01a0ae6d-39f6-77dc-baac-ea6eceee5eef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012430
StatusPUBLIC

Content hashes

Canonical text49251d1c26b5a74b2357158a1479902f497f6b2f88bbbf1246a5712d3536ec24
Markdownd073f1f7b620d29161d07c67b64907487f3b8d8afee875f2215c78387a65907c
PDF
Publication page13e7ea565e5b79beaad83f687506ab8c51632624048877e1fef6cfb8029ed1cd
Manifest0e6361988e33c5be1ce9bbacd025a26f63c91690d8b9dcdea680070c75ffd295

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
Signatureoju05OaZPh5Gd/JGcQpczekgUeB0VtMycZlRl9jch4shgBGZ5LqzCL4+nrAvbd9UWaaow261Rs6thEe10KzBDw==
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

2026-09-17T12:11:55.724898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012430
observed 13e7ea565e5b79beaad83f687506ab8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.706281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012430/manifest.json
observed 0e6361988e33c5be1ce9bbacd025a26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.687302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012430/publication.md
observed d073f1f7b620d29161d07c67b6490748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.668924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012430/publication.txt
observed 49251d1c26b5a74b2357158a1479902f...
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.