OpenTechnical

OT-2026-000022057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000022057) never changes.

Identity and time

Publication numberOT-2026-000022057 · never reused
Internal UUID01a0ae6f-bb5c-70bd-b017-ec27c68f4c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022057
StatusPUBLIC

Content hashes

Canonical textcd89c0b21d3a6406e6f87f76fd01f7da23f003b52ee3046eaf844dfd9171a69c
Markdownd65814fcd66760206e82d855d60224e82e45aeefb36df47284239299340baa6e
PDF
Publication page263e298bd977411772273df661cc9e5838d070c90eadfa4a131b25b462ecf5a4
Manifest122d31642a8bf498c5cc25d3b057d41d8d14bff5ec9fa0c431a5c5030c2352d1

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
SignaturePqncmgh+9DGU4abDeCCEa/uKg5xKy6Hvmv2hG7Bo+B00vJl805skEUHpTJGQSGENJifekY9imawa4ica0RgsDg==
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

2026-09-17T11:54:04.466134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022057
observed 263e298bd977411772273df661cc9e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:04.446919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022057/manifest.json
observed 122d31642a8bf498c5cc25d3b057d41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:04.429705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022057/publication.md
observed d65814fcd66760206e82d855d60224e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:04.409544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022057/publication.txt
observed cd89c0b21d3a6406e6f87f76fd01f7da...
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.