OpenTechnical

OT-2026-000029581

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029581) never changes.

Identity and time

Publication numberOT-2026-000029581 · never reused
Internal UUID01a0ae73-5e22-7897-8411-3756791ef35f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029581
StatusPUBLIC

Content hashes

Canonical text5e8a4a7066b3860528175f2f8cea619a34782590140a6f44acf28a4b8ed242f8
Markdown02b368be3cb06320b9fe48b5134cb0377b6f68ade56ae695bafad21a8ff1357a
PDF
Publication page7d3e34ec16aa5aa8762331d5c5f3a7cc2c1ec80719108e3fa522f22cac2ff2da
Manifestb9f423644a4f7adf526b75a39e9991804492b360b6d1ebc745f1f8b161a8b267

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
Signature+8gFCj6nyEUWgFqFcjtHfuUm+wk/nSlsxNXostEOWkw41H3j+ZHWjVCjML9QqFpRLzwh7IdgWLepmFUWrM3vAg==
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

2026-09-17T11:39:16.644608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029581
observed 7d3e34ec16aa5aa8762331d5c5f3a7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.626986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029581/manifest.json
observed b9f423644a4f7adf526b75a39e999180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.605264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029581/publication.md
observed 02b368be3cb06320b9fe48b5134cb037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.584559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029581/publication.txt
observed 5e8a4a7066b3860528175f2f8cea619a...
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.