OpenTechnical

OT-2026-000015773

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000015773) never changes.

Identity and time

Publication numberOT-2026-000015773 · never reused
Internal UUID01a0ae6e-0c4c-7119-b240-08e04fba1186 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015773
StatusPUBLIC

Content hashes

Canonical text6c173b15589680c58cd7fc66da2a863b762f8370f53d2dee34cdea23b0b11ae1
Markdown6b2881af2eee76394f91f74bca94fa86bb95b10b66ee11efd44304634ecdbf69
PDF
Publication pagefdc23d54cedbd8e24bd36d103b28ce80cb3aaa6b646bd0d6bce93647286908bd
Manifestff55c7d758265ab52614db92911f06794aa00b5d06ac1d20ff66e494adb192ed

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
SignatureCvwdN0LUa/Lxrs4V24bCa0V+W3/r0p6rKYT0G5W/O/qPigWKjmx6MKdLeKsnArzH+dgy9S2li+hy6016LftqDg==
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

2026-09-17T12:05:04.371635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015773
observed fdc23d54cedbd8e24bd36d103b28ce80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.355949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015773/manifest.json
observed ff55c7d758265ab52614db92911f0679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.339941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015773/publication.md
observed 6b2881af2eee76394f91f74bca94fa86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.322948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015773/publication.txt
observed 6c173b15589680c58cd7fc66da2a863b...
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.