OT-2026-000001891
Publication integrity record
Soft robotics, autonomous, space inspection, crawling robot
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-2026-000001891) never changes.
Identity and time
| Publication number | OT-2026-000001891 · never reused |
|---|---|
| Internal UUID | 01a0a679-4378-7fb0-b801-a4c521009426 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:20.121076Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f185fc47b1401de57c8f51e800679faa7c811be21e6e9b6aa143cf869b6a2e4 |
|---|---|
| Markdown | d15869f44a8e1c677e2a4972fe384f54acf40d807c79ecfc77e6819caded71b6 |
| Publication page | c0016cde7d7ebb425f2e134bb7f55c4ef6706e425fd51cd9e18db1fa6a194362 |
| Manifest | 66bfa1c91333f53f138b4843ba9da7b05eb545aba0240a0f72322e79832d8e28 |
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 | cLY8+5rFXIE/hdt/oy8MHLj5DC7mz2DHwQ6Rw4QsuRXGgcvdUIKc+ndRv8lKsAzGdYnaM99ftGRIrOH4KUrHAg== |
| 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
| 2026-10-10T04:42:00.957716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891observed c0016cde7d7ebb425f2e134bb7f55c4e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T04:42:00.865675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891/manifest.jsonobserved 66bfa1c91333f53f138b4843ba9da7b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:00.800807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891/publication.mdobserved d15869f44a8e1c677e2a4972fe384f54...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:00.667983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891/publication.txtobserved 1f185fc47b1401de57c8f51e800679fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:46.191584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891observed c0016cde7d7ebb425f2e134bb7f55c4e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:46.127309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891/manifest.jsonobserved 66bfa1c91333f53f138b4843ba9da7b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:46.081957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891/publication.mdobserved d15869f44a8e1c677e2a4972fe384f54...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:45.963941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001891/publication.txtobserved 1f185fc47b1401de57c8f51e800679fa...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 |
|---|