OpenTechnical

OT-2026-000022287

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000022287) never changes.

Identity and time

Publication numberOT-2026-000022287 · never reused
Internal UUID01a0ae6f-f4fc-7191-a0dd-4869e16631dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022287
StatusPUBLIC

Content hashes

Canonical text0b5692c073bafc35bf8ec0c74f6b9687d6edfa9455e9cb017d81617bf3ac6be7
Markdowne659decdbc19e34d6f32989d11559b653410960f186d27c8da03f749f7740869
PDF
Publication page894708cfdfbd8eae11b34ffcf5d3f4b21fa38a9dc46c4f8fc522d77a60df4d50
Manifest0417a6347604f5d274f2fbc66f3d06045575f394da93ca6ad6a56fa06405d346

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
SignatureflnJjK2b2Zq0TNWGEmctStxC3n4T1RgD/8qDN7IokQi8opaNIeWpJBwzar6zk+IBAQrW3Qxt/Ff0iLiWQcrGBw==
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

2026-09-17T11:53:05.396113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022287
observed 894708cfdfbd8eae11b34ffcf5d3f4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.378465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022287/manifest.json
observed 0417a6347604f5d274f2fbc66f3d0604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.357778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022287/publication.md
observed e659decdbc19e34d6f32989d11559b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.338097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022287/publication.txt
observed 0b5692c073bafc35bf8ec0c74f6b9687...
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.