OpenTechnical

OT-2026-000039912

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000039912) never changes.

Identity and time

Publication numberOT-2026-000039912 · never reused
Internal UUID01a0ae78-d8d6-70f6-afc4-226f2e7b712b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039912
StatusPUBLIC

Content hashes

Canonical text687c79549489baecf06df033a1a33e79c85f137446799507e2cce5177483f40a
Markdown59ddf2332b6ea7dca8385d42a93321220117dcfa4ea7db47b7cb2573a8f16e5c
PDF
Publication page16cf4f9f86bbc4bfa627f4f1f2ce8fdf563182a384e671a4b45c8a23bf845bf5
Manifest8f1cbdd2f791fea9d801cc1ce1038e40e0f5cfd546faaf949a9ca34988900a14

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
SignaturetABSTl2/1gqFxTDItxkhdhQ6KOFVzltP6/TpwwFPN91pu+iQ5l1qPqUMOmLQrqZP/LGku4uJcjVtqVX3Vj9gCg==
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

2026-09-17T11:20:12.488454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039912
observed 16cf4f9f86bbc4bfa627f4f1f2ce8fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.470218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039912/manifest.json
observed 8f1cbdd2f791fea9d801cc1ce1038e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.450971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039912/publication.md
observed 59ddf2332b6ea7dca8385d42a9332122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.433632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039912/publication.txt
observed 687c79549489baecf06df033a1a33e79...
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.