OT-2026-000002778
Publication integrity record
Combination of a press brake and a serial manipulator
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-2026-000002778) never changes.
Identity and time
| Publication number | OT-2026-000002778 · never reused |
|---|---|
| Internal UUID | 01a0a67e-b840-7534-86ba-3edbed02b58d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:17.697040Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002778 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18229dcfcf646a97cdbd711e76f0244403b2142a2ac619b3d0f1a0655fdbe4f6 |
|---|---|
| Markdown | 943545f9aa6202defd93813fd61e496f5425aa355757caf601539409f6054f21 |
| Publication page | e9675f9df3be6ee9ba70a7bc5cfd69411ac1b269e51edbf6c3bc40e2d616a178 |
| Manifest | 359bd39c0cbab57e8337f0f2e0d41adf5d4285e439670905fafa9c853aac8d1f |
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 | h1n9wgwZTS4C9f+EGbJyMvtm3fq5CwIj/fdwmbFeyaPWKjgkqD8/hLIJ9umkt1/ipRbRADTmQPtdhhi7WyLeCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-05T12:42:00.412500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778observed e9675f9df3be6ee9ba70a7bc5cfd6941...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:42:00.354863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778/manifest.jsonobserved 359bd39c0cbab57e8337f0f2e0d41adf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:42:00.309035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778/publication.mdobserved 943545f9aa6202defd93813fd61e496f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:42:00.133120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778/publication.txtobserved 18229dcfcf646a97cdbd711e76f02444...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:34.916610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778observed e9675f9df3be6ee9ba70a7bc5cfd6941...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:34.888682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778/manifest.jsonobserved 359bd39c0cbab57e8337f0f2e0d41adf...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:34.876199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002778/publication.txtobserved 18229dcfcf646a97cdbd711e76f02444...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 |
|---|