OpenTechnical

OT-2026-000072209

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000072209) never changes.

Identity and time

Publication numberOT-2026-000072209 · never reused
Internal UUID01a0ae92-47c2-7668-b3fe-370b8e51f037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072209
StatusPUBLIC

Content hashes

Canonical text8afa419dc7d904632501f815fb887937d0e3094e0f22ee5ef3610c785ab4e9ca
Markdown6bbf0a811aabb61d95aca14409b9219fcdaf47f89ef641ed5c2329e907df0774
PDF
Publication page3759724fd4fcdd5c21868005d6a4c749497700f03bfe6f9af1b096ee4145822b
Manifest748edb6f57a5167588487bb79d32c248c4b009a6bcd11145b766aaa7b0b4f27d

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
SignatureUApjOzYFzFWNeoK9O7RJhtYLvypO9vOA/qPaWU0F5QIah+nkRmh/xHbreKTtVF6CKjFu1p6xnMGQKehtJWFNAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:18.652958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072209
observed 3759724fd4fcdd5c21868005d6a4c749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.635321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072209/manifest.json
observed 748edb6f57a5167588487bb79d32c248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.618427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072209/publication.md
observed 6bbf0a811aabb61d95aca14409b9219f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.603283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072209/publication.txt
observed 8afa419dc7d904632501f815fb887937...
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.