OT-2026-000003199
Publication integrity record
Vacuum wall walking apparatus
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-2026-000003199) never changes.
Identity and time
| Publication number | OT-2026-000003199 · never reused |
|---|---|
| Internal UUID | 01a0a69c-c423-70f8-80ea-ca8b425fec2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:48:06.819982Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003199 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60eb96a49c23284a4f480c1cf4bd4e47ad062c71985a673a90b305c16a536c8b |
|---|---|
| Markdown | d9d464e9805d7808c73887dbede2063864e2c7eb68eeaa07f4c41eb985a102df |
| Publication page | a423b12fec2f6f287402064c304042dae5d8ce20d03c3f9f6cc9756440107ea3 |
| Manifest | 8aaa3bbec3ea6f4566d630ab561f3139c97b62c03109a674ae85fc132326c70f |
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 | Yk7r/qf/8Z9GMK70KtuhJ71QZmLOMvG5a7ErM3La7dkvIF4EQut5wpwXFtGgPeJBUU3T/3U/+0o2Tq7dyXVnCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-10-29T04:41:26.161988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199observed a423b12fec2f6f287402064c304042da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:41:26.069382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199/manifest.jsonobserved 8aaa3bbec3ea6f4566d630ab561f3139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:26.017095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199/publication.mdobserved d9d464e9805d7808c73887dbede20638...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:25.858451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199/publication.txtobserved 60eb96a49c23284a4f480c1cf4bd4e47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:32.855414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199observed a423b12fec2f6f287402064c304042da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:32.785342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199/manifest.jsonobserved 8aaa3bbec3ea6f4566d630ab561f3139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:32.716306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199/publication.mdobserved d9d464e9805d7808c73887dbede20638...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:32.544944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003199/publication.txtobserved 60eb96a49c23284a4f480c1cf4bd4e47...fetched by grabo-systems from 34.44.131.203, 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 |
|---|