OpenTechnical

OT-2026-000006307

Publication integrity record

Vacuum cup gripper, pump fed, pressure verified, contact triggered, 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-2026-000006307) never changes.

Identity and time

Publication numberOT-2026-000006307 · never reused
Internal UUID01a0a956-4ee8-7c7d-8136-0ef147302630 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:00.940705Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006307
StatusPUBLIC

Content hashes

Canonical text3eaa8b0d36ae6bb71db6f1fba4a11a60c4e53800fca5a5e2ea5331dec1235b43
Markdown033ac854f0371baf7da0bf99ac9e98d61cc2c71787ba106a3cfe820a3e3e0a0b
PDF
Publication page6749163754c50d8630b5f8f927f10ca7975cb7c0ba4abb4d5dc98514f0e4e3f1
Manifesta9dc036513850cc646fef2ecd1f1f39a0b82c166fb61249041b2ec25772e0105

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
Signaturem8BBvRrQ/8F2YQ/N6qp3kZTL/Mgrx6PHidm5ET78Wjy4xYkEq3zTVaMsOX392pjB524D7WzEXG06z1yEvyw2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:02.873456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006307
observed 6749163754c50d8630b5f8f927f10ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:02.732808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006307/manifest.json
observed a9dc036513850cc646fef2ecd1f1f39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:02.714167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006307/publication.md
observed 033ac854f0371baf7da0bf99ac9e98d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:02.700746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006307/publication.txt
observed 3eaa8b0d36ae6bb71db6f1fba4a11a60...
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.