OT-2026-000000422
Publication integrity record
Recommendation system and method for cutter and coating combination based on workpiece parameters
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-2026-000000422) never changes.
Identity and time
| Publication number | OT-2026-000000422 · never reused |
|---|---|
| Internal UUID | 01a0a673-5724-735c-91e9-21c39684271d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:51.941144Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000422 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21a7ff397b0a2ba00a3d80c92510cc401e6ad48c53784ac8fcad66dba866a4f4 |
|---|---|
| Markdown | b34d5549d612c7113c11f2a538ba4176b47683e99ca60819c095486db78a444c |
| Publication page | 55a4618b706f982b0dd9c2b4c3fb10e46aeeabe34341c103ba0a5f1841f08b04 |
| Manifest | febd24c8a4b50ba558509a1c81fbf15363dde1277bb40e6944faa0f276b8d86d |
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 | 1chEv2vePnREBDAAQcn1ZRV8N+Nx9QwS0V1rUabCWCYDQWk55DTGew4v1AuQol2MsQrcnbrhUsAlQqrxMevKDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-04T04:41:43.507646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422observed 55a4618b706f982b0dd9c2b4c3fb10e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:41:43.422446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422/manifest.jsonobserved febd24c8a4b50ba558509a1c81fbf153...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:43.350475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422/publication.mdobserved b34d5549d612c7113c11f2a538ba4176...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:43.228082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422/publication.txtobserved 21a7ff397b0a2ba00a3d80c92510cc40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.788337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422observed 55a4618b706f982b0dd9c2b4c3fb10e4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.758655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422/manifest.jsonobserved febd24c8a4b50ba558509a1c81fbf153...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.746017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000422/publication.txtobserved 21a7ff397b0a2ba00a3d80c92510cc40...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 |
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