OT-2026-000003310
Publication integrity record
Method and apparatus for handling extruded green bricks
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-2026-000003310) never changes.
Identity and time
| Publication number | OT-2026-000003310 · never reused |
|---|---|
| Internal UUID | 01a0a6ae-4453-7708-8cf4-8dd94b43fb80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:07:13.747529Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003310 |
| Status | PUBLIC |
Content hashes
| Canonical text | e99c3fbc5aeb56df0df1671c3d29e2c12ab8071173d7f64a7cef46aaa084f021 |
|---|---|
| Markdown | f7c9eaeae92c193b6260e709d358c649e118becabf7503d1c7cf80be616262b6 |
| Publication page | 085bd9e3bed864773612c000101c872548980cbf2ed540a936b6e7e91bba255d |
| Manifest | 94bf03603d455df2ed5be8a218bf49a2e7fe4821663c1867003b45ede9fb2f85 |
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 | 0Oe3TM3pWTIHm+Trc5jTVPB5esmUJEdxpNYTVTMdihQn6JcXApkjgdJVDV4TIaWKEvG3jfBSDhtaphTjN9BpBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-15T20:10:04.781542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003310observed 085bd9e3bed864773612c000101c8725...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:04.750220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003310/manifest.jsonobserved 94bf03603d455df2ed5be8a218bf49a2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:04.737710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003310/publication.txtobserved e99c3fbc5aeb56df0df1671c3d29e2c1...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 |
|---|