OT-2026-000075877
Publication integrity record
Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down
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-2026-000075877) never changes.
Identity and time
| Publication number | OT-2026-000075877 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29ff-77f2-804e-18a5fc7cd962 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075877 |
| Status | PUBLIC |
Content hashes
| Canonical text | dee9100a900d77c830b4e9234ce07fd7e14d8d421c5c4d8cd0b8dea8ffc56c66 |
|---|---|
| Markdown | e5ef674dd16ea89d38e163a0b7eafb25a69f94ee31865f698640fcd4c0a925f4 |
| Publication page | 651519bd491c9d42ccbdbf6c8b5086f974b5e799a7394fbaddb7e44be97a4ee7 |
| Manifest | 58331ea20ca3ffa0323808dc840f1ae08fbb33263a4629ae4f8d9cc2469683ad |
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 | he1/RftoW3j/p0dfTm/5Dp6ehb5vjgHmVIaGN0UgjiZm7IhMcruBlq7hlP6egbqnoE5B5YKMThCOlbtC2vDUDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-04T20:41:42.775730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877observed 651519bd491c9d42ccbdbf6c8b5086f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T20:41:42.725821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877/manifest.jsonobserved 58331ea20ca3ffa0323808dc840f1ae0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:42.676384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877/publication.mdobserved e5ef674dd16ea89d38e163a0b7eafb25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:42.617230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877/publication.txtobserved dee9100a900d77c830b4e9234ce07fd7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:45.545947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877observed 651519bd491c9d42ccbdbf6c8b5086f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:45.473566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877/manifest.jsonobserved 58331ea20ca3ffa0323808dc840f1ae0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:45.329956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877/publication.mdobserved e5ef674dd16ea89d38e163a0b7eafb25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:45.254776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075877/publication.txtobserved dee9100a900d77c830b4e9234ce07fd7...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 |
|---|