OpenTechnical

OT-2026-000050151

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050151) never changes.

Identity and time

Publication numberOT-2026-000050151 · never reused
Internal UUID01a0ae82-5c45-70f6-8c31-e71862dec197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050151
StatusPUBLIC

Content hashes

Canonical text6668e8d2d04dc0d76bc547cd75cc6eacb521d8973bf2049bca11de3aaacfb002
Markdown38b9984f486800a8cd503c61d945d301ecabfe2215d12e9b5e22b3165b308cc3
PDF
Publication page74c8a2f417d572f1030c8a4da79cb17c52a79b57710db5c233f8afa4e177f04e
Manifestf62bec9a7d2538de8b296ddf98703f30ba2076ba9591101ad4ed26d01f94ebff

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
SignatureVOXNBf4jErDbWlXN12a2ZXcYoa06jt6VKqGuNSnS65iLXOEzZMRshCHhdnNfFP+Z5yD2qhw2ylo9WJ6rtko2Bg==
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

2026-09-17T11:01:07.447895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050151
observed 74c8a2f417d572f1030c8a4da79cb17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.429756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050151/manifest.json
observed f62bec9a7d2538de8b296ddf98703f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.411768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050151/publication.md
observed 38b9984f486800a8cd503c61d945d301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.392245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050151/publication.txt
observed 6668e8d2d04dc0d76bc547cd75cc6eac...
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.