OpenTechnical

OT-2026-000042947

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold 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-2026-000042947) never changes.

Identity and time

Publication numberOT-2026-000042947 · never reused
Internal UUID01a0ae7a-c0d2-7e89-a85e-373fc32ad082 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042947
StatusPUBLIC

Content hashes

Canonical text1a7dde7b35cebaee04d4a7097ac54a6b021fbcacdeb4cbb9f540df418278276b
Markdownaa4967f9216c05df47e320d4213a76dd76db7d199db5a9640af7969a74c4fffe
PDF
Publication page782a8e8155215218b72b3d6e09ecf798b2ced12780b0695beb20800b5f83181f
Manifest4bcebe7f8d6b483ff79c5bf6e9d3d84a363d445068a6ab862b7b875507dc5ce7

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
Signature6LieF6sho1+QQCgenTvo2jVAEVsmMqCyuyUnwJrkqqMVYH/2h/WKN+MYBWWbXvYb73rttfrfqFAcwt8DypW0DQ==
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

2026-09-17T11:15:28.935666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042947
observed 782a8e8155215218b72b3d6e09ecf798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.916695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042947/manifest.json
observed 4bcebe7f8d6b483ff79c5bf6e9d3d84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.898132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042947/publication.md
observed aa4967f9216c05df47e320d4213a76dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.880281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042947/publication.txt
observed 1a7dde7b35cebaee04d4a7097ac54a6b...
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.