OT-2026-000021454
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000021454) never changes.
Identity and time
| Publication number | OT-2026-000021454 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7b27-b723-009d7ea6aa82 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021454 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce4219b33fae37e000f6b6d8f20599d2140b4235df3e84f3b233030d66a008fd |
|---|---|
| Markdown | 13236c849961ed5dca872faae24619c7dfaa4d1bb66c5c11f5d3bc500c3307e8 |
| Publication page | f8ca36df703413d630bf1044dafea446fc858d6c3f39f2c096487784c2acf4df |
| Manifest | b98504d327b8dc76e9c3c9fd58a9208da84a66dd206fee1246981abd29f88f42 |
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 | fpa2POCGA6Tq9pzlro4uvBXk+ElzsecMGwQ8N3FUJP9bXXJP18x8lUT63KoMd84KSlQDiNdUI/gTvJLexcFiAg== |
| 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
| 2026-09-23T00:41:17.954890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454observed f8ca36df703413d630bf1044dafea446...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-23T00:41:17.821013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454/manifest.jsonobserved b98504d327b8dc76e9c3c9fd58a9208d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:17.745256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454/publication.mdobserved 13236c849961ed5dca872faae24619c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:17.503818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454/publication.txtobserved ce4219b33fae37e000f6b6d8f20599d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:14.571463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454observed f8ca36df703413d630bf1044dafea446...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:14.555908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454/manifest.jsonobserved b98504d327b8dc76e9c3c9fd58a9208d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:14.539278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454/publication.mdobserved 13236c849961ed5dca872faae24619c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:14.516057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021454/publication.txtobserved ce4219b33fae37e000f6b6d8f20599d2...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|