OT-2026-000030410
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000030410) never changes.
Identity and time
| Publication number | OT-2026-000030410 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e503-758e-8338-8c1a47f226e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030410 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ae5b74fcd7a010f7f8b949c109dc6c86ef72636b5f5fd76e5986dcea64a3c3e |
|---|---|
| Markdown | f32cf5fbdef0b4d6476335f83aed8523f4771a6de6f8abc2028e8399139195a6 |
| Publication page | b282f025c91079cf248e9c94d7d52e416aad6bc2b81ed6b48656f0b475663ec3 |
| Manifest | ca376de46489b490c3866374df6acf0b5da1ef5da804dbe13e59689d9f41bbc9 |
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 | 0ijIs/oDCqkWoVMkV1+tgPQAfazNw2c7aKGOXcDzcGjsCF6WXODOVKzRD1ky3e+ftbB94SH1LEOhGn+pkxARDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-14T20:42:08.748665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410observed b282f025c91079cf248e9c94d7d52e41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T20:42:08.651103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410/manifest.jsonobserved ca376de46489b490c3866374df6acf0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:42:08.564135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410/publication.mdobserved f32cf5fbdef0b4d6476335f83aed8523...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:42:08.427242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410/publication.txtobserved 4ae5b74fcd7a010f7f8b949c109dc6c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:25.869195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410observed b282f025c91079cf248e9c94d7d52e41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:25.817367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410/manifest.jsonobserved ca376de46489b490c3866374df6acf0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:25.760075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410/publication.mdobserved f32cf5fbdef0b4d6476335f83aed8523...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:25.692374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030410/publication.txtobserved 4ae5b74fcd7a010f7f8b949c109dc6c8...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 |
|---|