OpenTechnical

OT-2026-000015954

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000015954) never changes.

Identity and time

Publication numberOT-2026-000015954 · never reused
Internal UUID01a0ae6e-0c4d-7a62-986b-810c04112631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015954
StatusPUBLIC

Content hashes

Canonical textc38b00d7f0298c5428798090cfab3c11f276973c449ba0babb7bc7fd3c73a069
Markdown5723d1bb6c2afccf8a5820e8e308440e6dbf85fb29c22fb94e58b4409944bb1a
PDF
Publication page7dd0e1652200730c284c95f7c53f8d025bb2a5051ca6a56b34a0c953279f1220
Manifeste25a6ef415268c2aed730d64237d1033be62904fd272f6cec357e5e1d5705b88

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
Signature5FfUY7EP5t8l+R9SP8uCZKy07BOrm3jwPTsPbbbBs/UWM2sX6T76sh2vRWgXyqhw17A9m/Xe2o+v3ThSpFTKBw==
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

2026-09-17T12:05:26.474137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015954
observed 7dd0e1652200730c284c95f7c53f8d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.448104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015954/manifest.json
observed e25a6ef415268c2aed730d64237d1033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.421715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015954/publication.md
observed 5723d1bb6c2afccf8a5820e8e308440e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.391725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015954/publication.txt
observed c38b00d7f0298c5428798090cfab3c11...
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.