OT-2026-000019511
Publication integrity record
Three bellows cup vacuum gripper, three zone face, single 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-2026-000019511) never changes.
Identity and time
| Publication number | OT-2026-000019511 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7658-bc2a-0097242cc435 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019511 |
| Status | PUBLIC |
Content hashes
| Canonical text | c96c917d2d5d35578130ac47bd6fe6f89f512617f00dafa1f426e79678174acd |
|---|---|
| Markdown | e339fafd4ffc5733da4c298f68e4874ae62aa96ecd5618844d9341b99e926e4c |
| Publication page | def73c215bad853f3bfb5d86abe4f6e39b1c394d99b97365f0f4df52e6091424 |
| Manifest | 778f27258f54c6b142a752015e75d06f90f59594ebd4670b6846c9b61dcba969 |
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 | NwNjkUmeKsezwg7skQg1tkdec541nwSH7tVC7AoMcAXtxQ/g/fhnUamr2rqh0VAnOSkKxxPx7qNAzxSdFhPmDA== |
| 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
| 2026-10-24T04:23:26.824518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511observed def73c215bad853f3bfb5d86abe4f6e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:23:26.809252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511/manifest.jsonobserved 778f27258f54c6b142a752015e75d06f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:26.786585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511/publication.mdobserved e339fafd4ffc5733da4c298f68e4874a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:26.763017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511/publication.txtobserved c96c917d2d5d35578130ac47bd6fe6f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:43.200730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511observed def73c215bad853f3bfb5d86abe4f6e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:43.079363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511/manifest.jsonobserved 778f27258f54c6b142a752015e75d06f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:42.981595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511/publication.mdobserved e339fafd4ffc5733da4c298f68e4874a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:42.870598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019511/publication.txtobserved c96c917d2d5d35578130ac47bd6fe6f8...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 |
|---|