OT-2026-000028533
Publication integrity record
Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028533) never changes.
Identity and time
| Publication number | OT-2026-000028533 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-78f1-8cee-f39297ec76d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028533 |
| Status | PUBLIC |
Content hashes
| Canonical text | aac6e188cd54c123222cbcb75a8bba0de99d5ba8edab8c28f740c6297cb89ae0 |
|---|---|
| Markdown | f8e518c7fcf9d44f88406a52ceb1f00891390eddcfbf7d14caf002da10b544b5 |
| Publication page | b0a61f56fface93a24857b95728a831927ea10f9248ef36a5bf2abe7cad34fe0 |
| Manifest | 3d042fcad5baad5ea1787b2fbcfdabad63aac0c894caf319f0d828046280ac89 |
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 | t7s9X2mAxO+k/chnyPj1pDze5t6VUNHz0WapT0w5s5+ipF0O4+qsMAr6s3xPWrc8bkTSg2MrMbF6egfKJIWZCA== |
| 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
| 2026-10-22T16:41:42.950199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533observed b0a61f56fface93a24857b95728a8319...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:41:42.893768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533/manifest.jsonobserved 3d042fcad5baad5ea1787b2fbcfdabad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:42.816258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533/publication.mdobserved f8e518c7fcf9d44f88406a52ceb1f008...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:42.750625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533/publication.txtobserved aac6e188cd54c123222cbcb75a8bba0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:36.197415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533observed b0a61f56fface93a24857b95728a8319...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:36.148399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533/manifest.jsonobserved 3d042fcad5baad5ea1787b2fbcfdabad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:36.083174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533/publication.mdobserved f8e518c7fcf9d44f88406a52ceb1f008...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:36.017534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028533/publication.txtobserved aac6e188cd54c123222cbcb75a8bba0d...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 |
|---|