OpenTechnical

OT-2026-000026591

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000026591) never changes.

Identity and time

Publication numberOT-2026-000026591 · never reused
Internal UUID01a0ae71-f4a9-794e-996c-4da009ba2273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026591
StatusPUBLIC

Content hashes

Canonical text034550bc0e3caa98298c1643c291d4a4d39bbdd867c6cc27c1ca7828ffa9b341
Markdown0e011f4e8825bed2f32df58ed2fd98809c2937b3e4e34139692faae8980fad8f
PDF
Publication pagec7f91e316036214994b94598c4e2b2aab6c24ee291f3549723e217025cb2ae11
Manifest452ce3be6ef866b92d0335348e8ab32396b1e73fb0351cc6c2e93c56c0f2b33e

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
SignatureO1/QpnjhqShtv35rsFpyoj3ykpPdhqovSiaIxErZaOE0RpBsqHhazOLGrhdMl+4WfAwM/+r3jZ2GoEVBYL6gBw==
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

2026-09-17T11:45:39.450609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026591
observed c7f91e316036214994b94598c4e2b2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.429990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026591/manifest.json
observed 452ce3be6ef866b92d0335348e8ab323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.410723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026591/publication.md
observed 0e011f4e8825bed2f32df58ed2fd9880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.391622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026591/publication.txt
observed 034550bc0e3caa98298c1643c291d4a4...
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.