OpenTechnical

OT-2026-000025759

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000025759) never changes.

Identity and time

Publication numberOT-2026-000025759 · never reused
Internal UUID01a0ae71-a83d-7da6-bd23-6d3f5af5b1a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025759
StatusPUBLIC

Content hashes

Canonical text62dfeb94d89efed0901ee7966fdb3ad219ccc5315a0ab0ac30fc11ade178116c
Markdown3c1e8472a84a22a9ff218b6081e4e0c6605dc0e70c66c2d6ed37a16eeeacc3b5
PDF
Publication page9c8c4fb76e72c78af216b9f7ff9ddb3386a8b3be58c63ed24a4632033d8b17d2
Manifest279683f7b042dff4ff64d40f987c66b58c19f6b948168c6f44214019e245ce51

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
Signature8ZF1gyh9/hiov20upObmPPBlnNfRAPmS9BpYE4DW4HPM8VQzH7Od8X157cRNqsu2PvMFX30A47CobkpeNMDdBg==
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

2026-09-17T11:45:57.634340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025759
observed 9c8c4fb76e72c78af216b9f7ff9ddb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.614596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025759/manifest.json
observed 279683f7b042dff4ff64d40f987c66b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.596812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025759/publication.md
observed 3c1e8472a84a22a9ff218b6081e4e0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.577507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025759/publication.txt
observed 62dfeb94d89efed0901ee7966fdb3ad2...
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.