OpenTechnical

OT-2026-000002223

Publication integrity record

System and Method for Object Segmentation for Task Performance

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-2026-000002223) never changes.

Identity and time

Publication numberOT-2026-000002223 · never reused
Internal UUID01a0a67b-4fd5-75f0-aee7-890c45e33184 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:34.357649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002223
StatusPUBLIC

Content hashes

Canonical textc5c2a7aca492507da0f4e6a6c0767a185afa722e8d60a9d7efe7c30db97745b1
Markdowne22dfb52104b31667d351fcc398b676ef16bae98587fb145ccaf7158a0c11195
PDF
Publication page2e68b7b6a3ddc8bbc03ad7caaf2424d974283caba56f79691a8eeeed0ed803be
Manifest6863f67001952089e9dd0f480930d83cda446cc9be670d4a7c3769c5b15731d9

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
SignatureRUd9AVyAfwh522gc/ZY/gFJgZ4MY5W39LOut64W4C+b2xyVlyNB8/i+JEr9WBCCbrA3J/kocuve047wFy8l+Dw==
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

2026-09-18T00:43:48.998271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223
observed 2e68b7b6a3ddc8bbc03ad7caaf2424d9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:48.865014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223/manifest.json
observed 6863f67001952089e9dd0f480930d83c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:48.735345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223/publication.md
observed e22dfb52104b31667d351fcc398b676e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:48.525348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223/publication.txt
observed c5c2a7aca492507da0f4e6a6c0767a18...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:23:13.270402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223
observed 2e68b7b6a3ddc8bbc03ad7caaf2424d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:13.256229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223/manifest.json
observed 6863f67001952089e9dd0f480930d83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:13.242934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223/publication.md
observed e22dfb52104b31667d351fcc398b676e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:13.228230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002223/publication.txt
observed c5c2a7aca492507da0f4e6a6c0767a18...
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

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