OT-2026-000032190
Publication integrity record
Foam pad vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000032190) never changes.
Identity and time
| Publication number | OT-2026-000032190 · never reused |
|---|---|
| Internal UUID | 01a0ae74-f7a6-7982-b7af-17e0cf851f40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:36.332587Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032190 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c66b21e5e1f73be9f80cd05e1fb3d67ec3cbcdd80592ff1d9f0ab701ee1b53c |
|---|---|
| Markdown | 629cffb38ef235d54190048c2e17955b8aa1dcbb0fececfcb86ef7f0ebb16a77 |
| Publication page | fe60c6f0cb9b6a0e3ba11626ecd34a2634e1ef8add4085568bfb56b2eadf1d86 |
| Manifest | 1bbeb08b98b05d414885810a498246de2453464c051b735e00d7a99801994a69 |
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 | 1V45uNDeI+8hVgl0SkHFUGoCz+lxca8Xl+CPdvqOaz1TfZmuaOjOGC6wf7TBrX8ELH/D2ElpVPcdpNoPgl8QAw== |
| 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
| 2026-10-04T04:23:38.179534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190observed fe60c6f0cb9b6a0e3ba11626ecd34a26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:23:38.160452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190/manifest.jsonobserved 1bbeb08b98b05d414885810a498246de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:38.138996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190/publication.mdobserved 629cffb38ef235d54190048c2e17955b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:38.079743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190/publication.txtobserved 9c66b21e5e1f73be9f80cd05e1fb3d67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:53.339318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190observed fe60c6f0cb9b6a0e3ba11626ecd34a26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:53.261831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190/manifest.jsonobserved 1bbeb08b98b05d414885810a498246de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:53.145026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190/publication.mdobserved 629cffb38ef235d54190048c2e17955b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:53.070698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032190/publication.txtobserved 9c66b21e5e1f73be9f80cd05e1fb3d67...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 |
|---|