OpenTechnical

OT-2026-000025657

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, 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-2026-000025657) never changes.

Identity and time

Publication numberOT-2026-000025657 · never reused
Internal UUID01a0ae71-9bc9-7598-a60d-a2d97a0799ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025657
StatusPUBLIC

Content hashes

Canonical text410171a35deb067dce47abac2878616dbb63b045052ed96257ec0912f13a7c2d
Markdownc22d2fc8e2711a7a72bd9c7988dc0e2fab1e93488209d82ab65d6619b15bd6b0
PDF
Publication paged79bb03ab66bd570711250c483f8164b70f823dd72980b1f38f4459fe2225d55
Manifest94360a6580f14609f836a0dc30a34187578b1255946b7a598ad8b6341f5b7264

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
SignaturevMVDFSFVSJlvPe6VulF1Mee5JUV1boKxS6bEbLeaPP7YXsp/J58amZjHk+UeS86G9rIKZY7NXkDebjIjEbpfDw==
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

2026-09-17T11:46:51.779070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025657
observed d79bb03ab66bd570711250c483f8164b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.763675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025657/manifest.json
observed 94360a6580f14609f836a0dc30a34187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.747092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025657/publication.md
observed c22d2fc8e2711a7a72bd9c7988dc0e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.728782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025657/publication.txt
observed 410171a35deb067dce47abac2878616d...
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.