OT-2026-000020672
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020672) never changes.
Identity and time
| Publication number | OT-2026-000020672 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-74f7-af01-34385bc08a91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020672 |
| Status | PUBLIC |
Content hashes
| Canonical text | 469c31096115ce3632ff23a2aca370a5fa37d0995e9c4bde0b2edd7d4130ab51 |
|---|---|
| Markdown | 019ea294a2a016fea6560a3e088f304ebdad517f5092743994da10c66c5ca6fc |
| Publication page | fed2bc62bdb87d3d0fa3b297fc01990093093dddacad2884a6fd10dbd1fc919f |
| Manifest | 8c69e1d5805284ca6f20939d323c76cd6790126eb2f711790107e83773e1a806 |
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 | u4UyNvjypaIEFCLLPuOVhZJsIX/lzG6FmZhSYcCtVrFeCL9leXRGW+Zd4o1g0d4whRo87/h8CwSReHFLBM2RBQ== |
| 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
| 2026-10-17T20:41:10.003200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672observed fed2bc62bdb87d3d0fa3b297fc019900...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T20:41:09.933275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672/manifest.jsonobserved 8c69e1d5805284ca6f20939d323c76cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:09.881202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672/publication.mdobserved 019ea294a2a016fea6560a3e088f304e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:09.717486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672/publication.txtobserved 469c31096115ce3632ff23a2aca370a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:27.575664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672observed fed2bc62bdb87d3d0fa3b297fc019900...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:27.502945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672/manifest.jsonobserved 8c69e1d5805284ca6f20939d323c76cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:27.414662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672/publication.mdobserved 019ea294a2a016fea6560a3e088f304e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:27.258458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020672/publication.txtobserved 469c31096115ce3632ff23a2aca370a5...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 |
|---|