OT-2026-000002761
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-2026-000002761) never changes.
Identity and time
| Publication number | OT-2026-000002761 · never reused |
|---|---|
| Internal UUID | 01a0a67e-9d87-7861-93a6-b3f924e196b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:10.856169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002761 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad04eadc3f30328f479edf8aa4706b17a257faa67e651fb752cda713bc8126f4 |
|---|---|
| Markdown | d0d7b735a011f6ab0646ff300abc37e1d1d26fea7f67e6aa5bc100a96af05907 |
| Publication page | 12d63e6b8880f1d540f9a11c7984be38ec8a1e7a64c48f55adfa0cec52c8e4a1 |
| Manifest | e46e326af2077acd02d471610ca9578892921faad776549f41c9fb2b9b51c9fa |
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 | Q19GI4SXM79aQwIfNn/nyinLCobgYE07gDZIzCUU2yCcDD1cp0c45bWV805JnojDwgz7n2SerzglvCqhz/RfBA== |
| 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
| 2026-10-19T16:41:06.779167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761observed 12d63e6b8880f1d540f9a11c7984be38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T16:41:06.729261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761/manifest.jsonobserved e46e326af2077acd02d471610ca95788...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:06.681562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761/publication.mdobserved d0d7b735a011f6ab0646ff300abc37e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:06.579599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761/publication.txtobserved ad04eadc3f30328f479edf8aa4706b17...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:07.676802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761observed 12d63e6b8880f1d540f9a11c7984be38...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:07.642938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761/manifest.jsonobserved e46e326af2077acd02d471610ca95788...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:07.627977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002761/publication.txtobserved ad04eadc3f30328f479edf8aa4706b17...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 |
|---|