OT-2026-000001118
Publication integrity record
Gripper device using air-tube
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-2026-000001118) never changes.
Identity and time
| Publication number | OT-2026-000001118 · never reused |
|---|---|
| Internal UUID | 01a0a674-488f-7db7-8f35-c9fbd32fd9e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:53.743345Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001118 |
| Status | PUBLIC |
Content hashes
| Canonical text | 895455c953111241de3052707ad7b6be191adac9b44f754f809182dd461a540f |
|---|---|
| Markdown | 9abb5835ba0ef7c4268e8f99239ecb6a8714e67097de383e813c6bbc9b8d316e |
| Publication page | 1e7bd5f2273235095210785223f0b318bfef78cc0b8f3d5bcb08cc9de05ed88b |
| Manifest | 88d799588286401a2abe370f4b7e7dfc41417630420f4b9846e8c73d7cf9ffe3 |
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 | RNtGY0x2v2Cbf/Ly0cIXC3UKeeN7FbhIotfhQGqEqHMHlazASknhrSKDxKJPGONYdW85NqqTuORqmH2ev224CA== |
| 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
| 2026-10-23T16:41:50.576386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118observed 1e7bd5f2273235095210785223f0b318...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:41:50.528164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118/manifest.jsonobserved 88d799588286401a2abe370f4b7e7dfc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:50.479560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118/publication.mdobserved 9abb5835ba0ef7c4268e8f99239ecb6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:50.250631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118/publication.txtobserved 895455c953111241de3052707ad7b6be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:25.140980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118observed 1e7bd5f2273235095210785223f0b318...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:25.017236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118/manifest.jsonobserved 88d799588286401a2abe370f4b7e7dfc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:24.895384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118/publication.mdobserved 9abb5835ba0ef7c4268e8f99239ecb6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:24.673360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001118/publication.txtobserved 895455c953111241de3052707ad7b6be...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 |
|---|