OT-2026-000000515
Publication integrity record
Multiple object grasping using robotics
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-2026-000000515) never changes.
Identity and time
| Publication number | OT-2026-000000515 · never reused |
|---|---|
| Internal UUID | 01a0a673-7a37-73f9-94f0-a9fe1da88e39 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:00.919477Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f0ec9f9f89001a1ab3e79a0ade6f8d98859d6ad2ed6229b894c95a70f0b253e |
|---|---|
| Markdown | 602c19668132acef50269b05302ac663cd31d79f6b5e5e62eb7def9ad0d91af7 |
| Publication page | 1e9e32cea0555ddce871d4c4689bc56d23e66d8cb704a8fc3718f63da388531e |
| Manifest | fb53c3624c5e2fca432e5a949c041c5dbe68d218bde2209a4850675fe5f78215 |
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 | 2257zbSYBQ8v32H4cnR0aTn2iircdXuPheytHyc3TdfWjO8+DaWNnfxYM7No8kodVADKFumi4Uh2xqymQtCeCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:40:35.057525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000515observed 1e9e32cea0555ddce871d4c4689bc56d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:40:35.032036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000515/manifest.jsonobserved fb53c3624c5e2fca432e5a949c041c5d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:35.020271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000515/publication.txtobserved 5f0ec9f9f89001a1ab3e79a0ade6f8d9...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 |
|---|