OpenTechnical

OT-2026-000002716

Publication integrity record

Collaborative Robot Cutting System and Method

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-2026-000002716) never changes.

Identity and time

Publication numberOT-2026-000002716 · never reused
Internal UUID01a0a67e-5344-736c-ad3e-6bf58ac6f2a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:51.845029Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002716
StatusPUBLIC

Content hashes

Canonical text742142c35c78ebcf375431ceefacb7a562e0552fce7403e44685cd246f49b92e
Markdown16dc0dc6fb4e97514056ac1436a1c69e5046fab82ca3293946dc81ba73f9f1aa
PDF
Publication pagef3436a956004f7d3f254a05e50ded199ea6a3e94da5c67045e9943cface29d48
Manifest4181680b9c62aaf8f2809cd115db75502a8c288e6f5dd39daef20c2c9b0d9f36

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
Signaturequt9wKpbH+hkNN3mjVqL+4giYdclFTAtezNGZHbgAbqmzXmnlIXrnyeIEh+tsMymbrqRxDtNc2JW4zbO+Dd+Ag==
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

2026-10-03T00:42:14.761532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716
observed f3436a956004f7d3f254a05e50ded199...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T00:42:14.683054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716/manifest.json
observed 4181680b9c62aaf8f2809cd115db7550...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T00:42:14.602453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716/publication.md
observed 16dc0dc6fb4e97514056ac1436a1c69e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T00:42:14.494827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716/publication.txt
observed 742142c35c78ebcf375431ceefacb7a5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:43.921439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716
observed f3436a956004f7d3f254a05e50ded199...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:43.736982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716/manifest.json
observed 4181680b9c62aaf8f2809cd115db7550...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:43.623413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716/publication.md
observed 16dc0dc6fb4e97514056ac1436a1c69e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:42.751804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002716/publication.txt
observed 742142c35c78ebcf375431ceefacb7a5...
fetched by grabo-systems from 34.44.131.203, 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