OT-2026-000029040
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000029040) never changes.
Identity and time
| Publication number | OT-2026-000029040 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9f-7643-b4d7-104a8f74e66a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029040 |
| Status | PUBLIC |
Content hashes
| Canonical text | 253d2964d5cdb60f73292799d5b9101d893c1ecf12d379cb4979afb3258bb691 |
|---|---|
| Markdown | ba181dc41a68ca4d08b8f81611500a70d2ffe0031f79671765adcae32c2cab44 |
| Publication page | c9d81226c575d2e00633e2e58f523d112b16f36c22119fe004ffed8bc74e18a2 |
| Manifest | a1e04cf89b6fb41c42fdc6c10b49e07552fb86be3128e0eb7ff6eaf723ef36f9 |
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 | vK2hDhrEs8eMjKRETsK5Aq0n7TaSS6hweq+0XPx93bJHOtDMBFuXegIaV4/bhfjNpy+e6jztMKyStFxYADCeDQ== |
| 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
| 2026-11-03T04:23:07.033745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040observed c9d81226c575d2e00633e2e58f523d11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:23:07.015789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040/manifest.jsonobserved a1e04cf89b6fb41c42fdc6c10b49e075...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:23:06.973125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040/publication.mdobserved ba181dc41a68ca4d08b8f81611500a70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:23:06.937724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040/publication.txtobserved 253d2964d5cdb60f73292799d5b9101d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:09.021634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040observed c9d81226c575d2e00633e2e58f523d11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:08.947156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040/manifest.jsonobserved a1e04cf89b6fb41c42fdc6c10b49e075...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:08.792481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040/publication.mdobserved ba181dc41a68ca4d08b8f81611500a70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:08.721181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029040/publication.txtobserved 253d2964d5cdb60f73292799d5b9101d...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 |
|---|