OpenTechnical

OT-2026-000020234

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000020234) never changes.

Identity and time

Publication numberOT-2026-000020234 · never reused
Internal UUID01a0ae6f-4379-7b1c-b4ce-60014eda28ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020234
StatusPUBLIC

Content hashes

Canonical text0a6b2703f57979d8ad14f6badbebd574f1c60f828bcb276c94db59f32a7ac643
Markdownb28ed42dad9e4497b237dd0069e03b5569537f4d2e064a12e6f602b124af3bf8
PDF
Publication pagead46de9fe3479e455941c97ea718dc59f22d567a9c2baefde5a3f05f56001a22
Manifestf7702b5ac5dfcf5249dd7e30ee8705053ff2ff59b3fdf1d505617473157956d9

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
SignatureI5oURvFpfQMHZUH6b2vPJTJDn/JY/D2/7gLOQCP/Mklcgptv+8hEWDE7+8Lc+icN8p2WLJLoaCErzS2hBGY5Bw==
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

2026-09-17T11:56:34.386184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020234
observed ad46de9fe3479e455941c97ea718dc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.366879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020234/manifest.json
observed f7702b5ac5dfcf5249dd7e30ee870505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.348614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020234/publication.md
observed b28ed42dad9e4497b237dd0069e03b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.331657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020234/publication.txt
observed 0a6b2703f57979d8ad14f6badbebd574...
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.