OT-2026-000023899
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000023899) never changes.
Identity and time
| Publication number | OT-2026-000023899 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed6-74b4-b1da-9e374cfa4b25 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023899 |
| Status | PUBLIC |
Content hashes
| Canonical text | d09535f38ca9f08607ac8040ee3d822103c6121898b69cada4349b6d6b8108a2 |
|---|---|
| Markdown | a613195d61d0bddf12f44e0a56303cf5fef4d59963f4f3b92cc99b3f3ce34035 |
| Publication page | b1e89d543bb211fa606d8aab3aecbc3583dc56c242f46f9201292b577909af94 |
| Manifest | f357ccc002be762fd6aa9d2477d3cb3851e73f229ad340a7717ea883ad9df914 |
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 | gNRytqBqvJLFagMJm6keAi/hdIPyWYQY+qxt6ZWR4feIuBldsW8kScFqNnOld1yQEmp79mx0Ga3IqYbe3+IdAg== |
| 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... |
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Independent retrieval
| 2026-11-02T20:41:16.167786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899observed b1e89d543bb211fa606d8aab3aecbc35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T20:41:16.108116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899/manifest.jsonobserved f357ccc002be762fd6aa9d2477d3cb38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:16.047592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899/publication.mdobserved a613195d61d0bddf12f44e0a56303cf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:15.977101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899/publication.txtobserved d09535f38ca9f08607ac8040ee3d8221...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:21.807890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899observed b1e89d543bb211fa606d8aab3aecbc35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:21.733014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899/manifest.jsonobserved f357ccc002be762fd6aa9d2477d3cb38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:21.639288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899/publication.mdobserved a613195d61d0bddf12f44e0a56303cf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:21.499957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023899/publication.txtobserved d09535f38ca9f08607ac8040ee3d8221...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 |
|---|