OpenTechnical

OT-2026-000069487

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000069487) never changes.

Identity and time

Publication numberOT-2026-000069487 · never reused
Internal UUID01a0ae90-b52b-7eec-80ab-d95ded912f7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069487
StatusPUBLIC

Content hashes

Canonical texte27754661910df839fc178cceb507cef5693506ff7c85e3cd3d46a292b0e5f0b
Markdownc52da7e03096f1e46aeb4a648596d017167510b81d5b7df1cdd72f47062c95b3
PDF
Publication page9f112dc5321216766799eb13d599c4f5edb8ca00cd1b5c2d9fd7260aabe22ad2
Manifesta39e3f65a157e22bf835dd2aca3cd41bb1190f48ac2d6f74a70ef784ec37c0db

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
SignatureF/ECz1v0Xovs0QGqZz/KJd1y5UYfBFo9Nk7+TtuwfUXXv0RzrmqkR7a4tsmerhKr7bO04ZSQ9e+9rx93WlhJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.063261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487
observed 9f112dc5321216766799eb13d599c4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.043471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487/manifest.json
observed a39e3f65a157e22bf835dd2aca3cd41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.025436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487/publication.md
observed c52da7e03096f1e46aeb4a648596d017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.006594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487/publication.txt
observed e27754661910df839fc178cceb507cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.794262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487
observed 9f112dc5321216766799eb13d599c4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.774394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487/manifest.json
observed a39e3f65a157e22bf835dd2aca3cd41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.753190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487/publication.md
observed c52da7e03096f1e46aeb4a648596d017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.731784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069487/publication.txt
observed e27754661910df839fc178cceb507cef...
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.