OT-2026-000001550
Publication integrity record
System and method for removing metal fasteners embedded in wood 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-2026-000001550) never changes.
Identity and time
| Publication number | OT-2026-000001550 · never reused |
|---|---|
| Internal UUID | 01a0a676-c5bc-72fc-b8da-04ba05162920 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:06:36.860766Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001550 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8dd9fcb510cbdf0fec306d559d5bc8bacd3e7d80db9496e527393cc1079c4d4f |
|---|---|
| Markdown | 81fb55a961751b9010493116e6398f92a20e02372e2df37231920e548f35e2fe |
| Publication page | 20850f589dc2853f6157b72ff5ccdd8102a7bbd2ed8c0f07b39a57049ccd39ca |
| Manifest | b3aff0a8686ef0f3e453f7d4aa70fb56fb3d4648d3376ca517bd0f08f7e4d6d4 |
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 | 1NMpYvK3J4j3W2wgc5f1IWsqkeiZyUB8m2UpIZ4QD/rXUaCaO13EtXkr5Rb7lpLHJ9ogXyVhRYOr0Tu6qCnaDA== |
| 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
| 2026-09-15T20:42:15.021466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001550observed 20850f589dc2853f6157b72ff5ccdd81...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:42:14.515670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001550/manifest.jsonobserved b3aff0a8686ef0f3e453f7d4aa70fb56...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:42:14.253975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001550/publication.txtobserved 8dd9fcb510cbdf0fec306d559d5bc8ba...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:31.449770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001550observed 20850f589dc2853f6157b72ff5ccdd81...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:31.417244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001550/manifest.jsonobserved b3aff0a8686ef0f3e453f7d4aa70fb56...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:31.404674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001550/publication.txtobserved 8dd9fcb510cbdf0fec306d559d5bc8ba...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 |
|---|