OpenTechnical

OT-2026-000012613

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012613) never changes.

Identity and time

Publication numberOT-2026-000012613 · never reused
Internal UUID01a0ae6d-5561-7d0a-a44d-4d5b725750e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012613
StatusPUBLIC

Content hashes

Canonical textbe4fb85037a96c97e709e352c3e1da87854d377c76467779a01fa8901ecfd2a6
Markdown4927e2a740dbb3d5c188bbeb5e784a8d4a85a7d4555080c0cd063703180b92f8
PDF
Publication page6478561b5f8ba6a6c4e1d2f00fb30ebb07747f2d67251549eab5f79fd24c1a54
Manifest1f71205ff0d9121185ee6828b94e68b5a7676d9c2a2d0564644dd6ee3f3eee6b

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
SignatureGCmA1aQbSRBF+G6xFvK9slsO8Bc+jZoByYwBOqkp8mFOpb+pA6ixfIhiNexdceXC0ziv1HJ0ymwURKFDRRlnBg==
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

2026-09-17T12:10:12.623237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012613
observed 6478561b5f8ba6a6c4e1d2f00fb30ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.604533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012613/manifest.json
observed 1f71205ff0d9121185ee6828b94e68b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.585488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012613/publication.md
observed 4927e2a740dbb3d5c188bbeb5e784a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.567224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012613/publication.txt
observed be4fb85037a96c97e709e352c3e1da87...
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.