OT-2026-000027535
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000027535) never changes.
Identity and time
| Publication number | OT-2026-000027535 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6998-7224-867c-0fe7aaa7a599 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027535 |
| Status | PUBLIC |
Content hashes
| Canonical text | 688f5d03f7d44f397c0ff66cb1f979b9d1392706fba6ac0ff925cf59a0f5e726 |
|---|---|
| Markdown | 20ee30e198eafbb4c6d86f34123580ebf405296559316bc9736e4c739f609c49 |
| Publication page | fe0decdffec7dd1289335d5eb36b75d4cd8dcb2e94e30dd7b65b3e8955b4831f |
| Manifest | fa9a41653a025c3191e0e640a55a7572249b23daddb408182734959a607a992d |
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 | vvqePVN1oanjcqdR/JtbfQmjl3mstJ6YqDz0Rjb2MGaReWotkPEnZjqgWQyl01sRFmVtLeiYbGDdeVA1vB8kCw== |
| 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
| 2026-10-09T12:41:57.501130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535observed fe0decdffec7dd1289335d5eb36b75d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T12:41:57.346177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535/manifest.jsonobserved fa9a41653a025c3191e0e640a55a7572...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:41:57.261353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535/publication.mdobserved 20ee30e198eafbb4c6d86f34123580eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:41:57.161772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535/publication.txtobserved 688f5d03f7d44f397c0ff66cb1f979b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:01.259859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535observed fe0decdffec7dd1289335d5eb36b75d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:01.243885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535/manifest.jsonobserved fa9a41653a025c3191e0e640a55a7572...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:01.228380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535/publication.mdobserved 20ee30e198eafbb4c6d86f34123580eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:01.208411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027535/publication.txtobserved 688f5d03f7d44f397c0ff66cb1f979b9...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|