OT-2026-000003215
Publication integrity record
Device capable of suction-adhering to surface of object and moving therealong
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-2026-000003215) never changes.
Identity and time
| Publication number | OT-2026-000003215 · never reused |
|---|---|
| Internal UUID | 01a0a69f-70ad-73d5-aa8e-948a0ec1200e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:51:02.061565Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003215 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e41c22a8234062439f5a062d239ad08bed039c69d8edcce689b9ba443f42b1b |
|---|---|
| Markdown | 67ab776c8dd56d515763dc8736d65078a137e814916a43d9308df781e8e2d76b |
| Publication page | 74d058461bf14497b5bfa7be6678f3a37b27ab95c98e45218743ac6ab63c6987 |
| Manifest | 68114aab2a564b510dce8b20f87f36d7b6a2a8691e2eb83c6c46903c31757786 |
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 | 1OwtytWz45eVgUMz6QEEnlga0rS1i4cwT7wfxhYE/nl5/Us1iwZ398a0VyNt+uyW2bLbb8nZcUcBQL6lpRTZDQ== |
| 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
| 2026-10-23T08:42:06.831366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215observed 74d058461bf14497b5bfa7be6678f3a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:42:06.759686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215/manifest.jsonobserved 68114aab2a564b510dce8b20f87f36d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:42:06.690780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215/publication.mdobserved 67ab776c8dd56d515763dc8736d65078...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:42:06.571477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215/publication.txtobserved 8e41c22a8234062439f5a062d239ad08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:43.982349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215observed 74d058461bf14497b5bfa7be6678f3a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:43.905085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215/manifest.jsonobserved 68114aab2a564b510dce8b20f87f36d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:43.829877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215/publication.mdobserved 67ab776c8dd56d515763dc8736d65078...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:43.649180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003215/publication.txtobserved 8e41c22a8234062439f5a062d239ad08...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 |
|---|