OpenTechnical

OT-2026-000025599

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000025599) never changes.

Identity and time

Publication numberOT-2026-000025599 · never reused
Internal UUID01a0ae71-5fa9-753a-baae-076c45a73a80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025599
StatusPUBLIC

Content hashes

Canonical textdb3ad9b40f6a55eea9bec7a4ef096cf671c5979e6e804d8e22b8e6802e4a3e75
Markdown6ffd7a1e9cb5b3c6a3153bc0749292f3de53a69d3da4f87bd219f955d5362ec4
PDF
Publication page03ea131e9bc3e4f4ba73e128b3c31685bb9da0a7aad44ffd6e05e5628a99ae6d
Manifest781c3255c7ee599e2eee785fc40ca7669d893d1768fcb39de1e5d2870726ea3f

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
SignatureH+RT6H86+PAsGBjk2bWjXW2gCPqUO7h8xT1AahJ6QeBPXRg1cRTx81ZktUqjd6YtAhK9Aa2mjjBelNVHq8XICQ==
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

2026-09-17T11:47:46.095630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025599
observed 03ea131e9bc3e4f4ba73e128b3c31685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.076085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025599/manifest.json
observed 781c3255c7ee599e2eee785fc40ca766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.058635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025599/publication.md
observed 6ffd7a1e9cb5b3c6a3153bc0749292f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.039955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025599/publication.txt
observed db3ad9b40f6a55eea9bec7a4ef096cf6...
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.