OpenTechnical

OT-2026-000002236

Publication integrity record

Robotic systems and methods for objectively evaluating coating compositions and applicators

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-2026-000002236) never changes.

Identity and time

Publication numberOT-2026-000002236 · never reused
Internal UUID01a0a67b-638e-741d-b1d2-e8bdbe911ec6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:39.406556Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002236
StatusPUBLIC

Content hashes

Canonical textd831571016b526d12ebd9dc95027e888384867ce4dea13eeab0727f5501077d5
Markdown9800178a10ad34bf5ce50c693368efac4711fb58c99676646403eeb6dd54e451
PDF
Publication page6c5d0d8b4ed7d91712a222718231527d294fda3906c4da6521790d3ea2203ce6
Manifest21c81d5e283a2f8475095da1b6e9de1e8594955f1192edd082f451bd4edc15fa

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
Signature7YYGbcwofszqp/Fh0t0HzRPAl6dhy3jIfLfRXsm6frweGcfVEeTJu0zoLIw1TdzDCbhKaubYFTkRh+SZYCSRCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T20:41:26.491507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002236
observed 6c5d0d8b4ed7d91712a222718231527d...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:41:25.711208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002236/manifest.json
observed 21c81d5e283a2f8475095da1b6e9de1e...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:41:25.244091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002236/publication.txt
observed d831571016b526d12ebd9dc95027e888...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:10.346330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002236
observed 6c5d0d8b4ed7d91712a222718231527d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:10.318222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002236/manifest.json
observed 21c81d5e283a2f8475095da1b6e9de1e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:10.181021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002236/publication.txt
observed d831571016b526d12ebd9dc95027e888...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent