OT-2026-000000272
Publication integrity record
Method for manufacturing soldered products
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-2026-000000272) never changes.
Identity and time
| Publication number | OT-2026-000000272 · never reused |
|---|---|
| Internal UUID | 01a0a673-2d54-7ea0-8bd3-e70936fc3a73 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:41.237232Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000272 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51df924d27186611a369ebe5c3ccac28895b8789349063c23d50f4d1bf795ad0 |
|---|---|
| Markdown | 1e8b878a5cbd85237fba9ff055a273c91a516c82a16932e2a4ab0dd3e7c35cb7 |
| Publication page | 3baa67eed3b36ff1e06c8ace6710fd069e6e15e776a179e0e24746b120cb5fd5 |
| Manifest | 2f77fb440e00e5870aaf417705d4748712d2a8aabd26c468f7b1891312e1ea7b |
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 | LpAgwuO2VX3uuv5EZGmNidcithKgrkwWgJtjhlT7hIcRXo1uLIqkcql2vV9irUwJstiUfbKvR+R9A8tNACYTBQ== |
| 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
| 2026-09-15T20:43:04.804327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000272observed 3baa67eed3b36ff1e06c8ace6710fd06...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:43:02.315519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000272/manifest.jsonobserved 2f77fb440e00e5870aaf417705d47487...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:01.238338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000272/publication.txtobserved 51df924d27186611a369ebe5c3ccac28...fetched by grabo-systems 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 |
|---|