OpenTechnical

OT-2026-000015629

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000015629) never changes.

Identity and time

Publication numberOT-2026-000015629 · never reused
Internal UUID01a0ae6e-0c4b-743e-8e78-bba6b81f5134 · 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-2026-000015629
StatusPUBLIC

Content hashes

Canonical texta0bc2e2ce8570c6bf94a4df9d98089bd85eedd445aacd3c5ce6175e3f32c9013
Markdown944d88aaadffbd5e8a4f3e6c040cf1092d39b377bb6e80c28a243f538023fbc8
PDF
Publication pagebefba90c98bcf2de876acb9de211c8e2ad3d628c0d626fae6db94db4b68722c9
Manifestc12af89805dc558a9d703df106e26af3df47bb684b9b75111ac2bcb8c6abf342

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
SignaturePtN77Sv36MszE/bazqOQLxLheQTMheKREaFYLkJ3/ujsFXFsnujWb4hlaHv1a+tvDLhOPAJmxaQ1e8lauhEeBQ==
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

2026-09-17T12:04:52.818929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015629
observed befba90c98bcf2de876acb9de211c8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.800822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015629/manifest.json
observed c12af89805dc558a9d703df106e26af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.781336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015629/publication.md
observed 944d88aaadffbd5e8a4f3e6c040cf109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.765634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015629/publication.txt
observed a0bc2e2ce8570c6bf94a4df9d98089bd...
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.