OpenTechnical

OT-2026-000017965

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000017965) never changes.

Identity and time

Publication numberOT-2026-000017965 · never reused
Internal UUID01a0ae6e-96fc-730f-a5b2-d7b1eb0f0128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017965
StatusPUBLIC

Content hashes

Canonical text99b096b695006aa1fea9a7c9a849c132f456d99aee16f034a5adced397eda44a
Markdown4a9002befa7f3878ad19d950e88b78334797fc3e7c6a3d9d39753507d86d6c6e
PDF
Publication page18ef807b6ef292b6d25b8a08febb63279e9652f7d3be4a470757a32bba037012
Manifest92933964154d94b4ef5757ca9a1859153610b02ed1b2e99c48bb2fa8d3478b46

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+Qgm3VmSth5isNBD+hV6MNlsYzX8PFnFfV5Y9IlyvNmgS52/WUam4lSZJ4DeVANJBiDCjFbg0KRDfbiYwwTbAQ==
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

2026-09-17T12:01:58.667715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017965
observed 18ef807b6ef292b6d25b8a08febb6327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:58.649308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017965/manifest.json
observed 92933964154d94b4ef5757ca9a185915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:58.630163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017965/publication.md
observed 4a9002befa7f3878ad19d950e88b7833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:58.610858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017965/publication.txt
observed 99b096b695006aa1fea9a7c9a849c132...
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.