OpenTechnical

OT-2026-000006572

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000006572) never changes.

Identity and time

Publication numberOT-2026-000006572 · never reused
Internal UUID01a0a95f-f1f4-7b1e-8ab0-cd84427247ef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:32.624698Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006572
StatusPUBLIC

Content hashes

Canonical text1167ea291fec6e49d4a9e6dc79025344ca499131dcc50cc13a5d38366e58fc8b
Markdown43910c66ad44e92aab4010885940bf49db9d9f63e59ab76855628bc908e4d82a
PDF
Publication page1bae09750de0ba4a4e4904822b61d319eeff6d0a641394f592ba4bd77a3331d3
Manifestedb6ad444d2cbc902a142bbdece36d3522ba95e0885b6be77171fdc906ccd623

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
Signaturec8TBPg3orJIqRW08gRMBZS9DHDqZqX89h75j03Vmilc93jfWtrFRJAcdKQ/wBkOistI/dSWwlEcygxVNxaHDAQ==
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

2026-09-16T08:50:29.497756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006572
observed 1bae09750de0ba4a4e4904822b61d319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.484157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006572/manifest.json
observed edb6ad444d2cbc902a142bbdece36d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.470815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006572/publication.md
observed 43910c66ad44e92aab4010885940bf49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.456553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006572/publication.txt
observed 1167ea291fec6e49d4a9e6dc79025344...
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.