OT-2026-000002853
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-2026-000002853) never changes.
Identity and time
| Publication number | OT-2026-000002853 · never reused |
|---|---|
| Internal UUID | 01a0a67f-2984-7444-86a4-e2c84604eb12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:46.693034Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002853 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9f168f1f46ccd46d5018df2922fbd4672b3a81661b262841c51ad94ab766b4c |
|---|---|
| Markdown | 097d2bbfb75aab8f13044e3edc2975a93c6c8656b061638c39336628bdfcd37a |
| Publication page | 544675910981e351179cbec54cef3e63204b96e4fd723edc913e7f0c18345d64 |
| Manifest | 8943a426a6c5cecbb9a34ee0796acf54ea249fb2aa25084feb4324abbf352b33 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Q+ARzOqBxwktk/05D2/EIrzwdoJ4WqdmlP28RNDMNNjNhMR9NmB140OV49X//87g7NE+ooSpY1q1rNWKiEHiCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-16T04:42:48.666123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853observed 544675910981e351179cbec54cef3e63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:42:48.455401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853/manifest.jsonobserved 8943a426a6c5cecbb9a34ee0796acf54...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:42:48.172755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853/publication.mdobserved 097d2bbfb75aab8f13044e3edc2975a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:42:47.670466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853/publication.txtobserved e9f168f1f46ccd46d5018df2922fbd46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:26.448748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853observed 544675910981e351179cbec54cef3e63...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:26.419324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853/manifest.jsonobserved 8943a426a6c5cecbb9a34ee0796acf54...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:26.407120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002853/publication.txtobserved e9f168f1f46ccd46d5018df2922fbd46...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 archive | Pending 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-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|