OT-2026-000053478
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000053478) never changes.
Identity and time
| Publication number | OT-2026-000053478 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a90-7824-90f1-66448456bb2b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053478 |
| Status | PUBLIC |
Content hashes
| Canonical text | 049846a444270843821a1c47eba34bbc1f1e62de004646205a1f4d124af8dfbf |
|---|---|
| Markdown | 1e1b50d390bafb2047c739234bea4109867270eef59187b32c29bfb97a475850 |
| Publication page | 89495676c82c7c5eba73445444953c39140f395323186f5cf9293b513fa53313 |
| Manifest | e1cb39ad29a5aa3a3d9000b879bc47cce9b184f2387ecfd0b0bf2d3b2694fec5 |
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 | qh51QCEEii/Hnkci29K4lAdjpHAtluQUNqCX+3ATf6h4qXhH71d85WIZTyq/6vdAyFPgsGKLiDKP5t0njcy9Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-01T20:41:07.938279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478observed 89495676c82c7c5eba73445444953c39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T20:41:07.891373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478/manifest.jsonobserved e1cb39ad29a5aa3a3d9000b879bc47cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T20:41:07.826715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478/publication.mdobserved 1e1b50d390bafb2047c739234bea4109...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T20:41:07.762849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478/publication.txtobserved 049846a444270843821a1c47eba34bbc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:40.538375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478observed 89495676c82c7c5eba73445444953c39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:40.463145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478/manifest.jsonobserved e1cb39ad29a5aa3a3d9000b879bc47cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:40.388502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478/publication.mdobserved 1e1b50d390bafb2047c739234bea4109...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:40.196718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053478/publication.txtobserved 049846a444270843821a1c47eba34bbc...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 |
|---|