OT-2026-000020043
Publication integrity record
Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000020043) never changes.
Identity and time
| Publication number | OT-2026-000020043 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-76e0-b9a8-e1a367cb0ba4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020043 |
| Status | PUBLIC |
Content hashes
| Canonical text | a70d15fa65a4317bb6fccb9a591b5cb15a9b0864e50a6e863fd1fdef15c1d15e |
|---|---|
| Markdown | 9c753b6b748187ce619b619b2ea4f055877681271e701eb3355f08ef2960d910 |
| Publication page | 44a060108ec5537cdfe99a63054cb7e72fbf48adb785c66e8f4c0f11f12d4a62 |
| Manifest | 23c744c82972682e91e0f3c3cc230a88da93fc160ae34983a8ab338a855a13c3 |
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 | Cgslmrkl7h5KY4He7elji3ZA4Fumhc7V2gU1o6wFpx7j0NDKiXJ4YdkY6pRYNketi5GRFplyUM5qWMIkfl50Bg== |
| 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
| 2026-10-24T20:41:56.100403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043observed 44a060108ec5537cdfe99a63054cb7e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T20:41:56.050433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043/manifest.jsonobserved 23c744c82972682e91e0f3c3cc230a88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:56.000389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043/publication.mdobserved 9c753b6b748187ce619b619b2ea4f055...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:55.838298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043/publication.txtobserved a70d15fa65a4317bb6fccb9a591b5cb1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:10.946521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043observed 44a060108ec5537cdfe99a63054cb7e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:10.897491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043/manifest.jsonobserved 23c744c82972682e91e0f3c3cc230a88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:10.849129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043/publication.mdobserved 9c753b6b748187ce619b619b2ea4f055...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:10.794212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020043/publication.txtobserved a70d15fa65a4317bb6fccb9a591b5cb1...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 |
|---|