OT-2026-000000490
Publication integrity record
Optimization of fabrication processes
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-2026-000000490) never changes.
Identity and time
| Publication number | OT-2026-000000490 · never reused |
|---|---|
| Internal UUID | 01a0a673-6de2-7176-bd63-f8fcded7d2e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:57.763010Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000490 |
| Status | PUBLIC |
Content hashes
| Canonical text | d48510128d132541207427f65e622a7320b06134b57c1c2800f998f2a7d8c9e9 |
|---|---|
| Markdown | a98c31bcb192f1db8459662dbb5698f51d6be49bfa6d5b4ccfe455c0bf9e74ea |
| Publication page | c7cd6973c42d2dd6d3cafcb35bd660105b83ca3675c62880fef3ca817a655b0d |
| Manifest | b12b754319117877a079c4330f89ddf80f3bd550860042b41e145f189481dee1 |
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 | ECzPY0K/pDosBl7n3HqY7pG8+N1gkw3zMtglC46voObDcfBwj8UZGe3WLfkl9sqyXauRyNqu7ZKt16wXFyEDBQ== |
| 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
| 2026-09-15T20:50:03.361747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000490observed c7cd6973c42d2dd6d3cafcb35bd66010...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:03.318498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000490/manifest.jsonobserved b12b754319117877a079c4330f89ddf8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:03.304348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000490/publication.txtobserved d48510128d132541207427f65e622a73...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 |
|---|