OT-2026-000000652
Publication integrity record
Systems and methods for optimizing material processing operations
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-2026-000000652) never changes.
Identity and time
| Publication number | OT-2026-000000652 · never reused |
|---|---|
| Internal UUID | 01a0a673-a801-7890-b1fc-32bb336e5664 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:12.641530Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000652 |
| Status | PUBLIC |
Content hashes
| Canonical text | e0ce6596c9cdf4c000191ea18d2099da4f5f69d987ae292f0d353a6507edcc28 |
|---|---|
| Markdown | b5fbb1bb32e5e82f08429fd3fdaeeaf3d72e74dc5322c787024233718e83a9e0 |
| Publication page | b70b4a71d6599b1c4864854a3fd8774fc5ebb4c96ccbce86fd7ba582e66b314a |
| Manifest | 4276110d67977cb0770a3ea2b9ffe7436a4232e55b7709276b4310cc99af55d6 |
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 | yv7zo8eKMR3dx1Ffx1+HHPXO+ynwvEPkF8RUC5FFBdl/5JsM9zQbhm3dEX0X0Q9EUYCPfMQu3vJsVATk66r5Cg== |
| 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
| 2026-09-26T08:41:52.401892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652observed b70b4a71d6599b1c4864854a3fd8774f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T08:41:52.350779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652/manifest.jsonobserved 4276110d67977cb0770a3ea2b9ffe743...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:52.303592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652/publication.mdobserved b5fbb1bb32e5e82f08429fd3fdaeeaf3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:52.140352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652/publication.txtobserved e0ce6596c9cdf4c000191ea18d2099da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:19.990293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652observed b70b4a71d6599b1c4864854a3fd8774f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:19.960921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652/manifest.jsonobserved 4276110d67977cb0770a3ea2b9ffe743...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:19.828241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000652/publication.txtobserved e0ce6596c9cdf4c000191ea18d2099da...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 |
|---|