OT-2026-000047441
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047441) never changes.
Identity and time
| Publication number | OT-2026-000047441 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-3e58-784d-a1a1-0e8a0a6dc3f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:49.774666Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047441 |
| Status | PUBLIC |
Content hashes
| Canonical text | 569eeba6105755b01d9aacf0e90129de7a8fc37f2662442a04dbbb446788576b |
|---|---|
| Markdown | 5c606ee91b443ebcf20a1a3308ad155672141591ce7786b0a86268f6baaf9fd1 |
| Publication page | 74217b76b09b99964c71dff9c74410c69320026dcf3ca9b310b548416c746483 |
| Manifest | fc95b97270c3dd8202218e2ff4cef9ab5b2235ac59aeda1e2b19bb977af74f01 |
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 | 2DWUdvlHQG1kNmB6NmlrEwC7we1tsq6hN7HFoCfqcBBtzjORqMdTrNvwYp5poswNs/irnS0gKpSYU3ynq/XsDQ== |
| 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
| 2026-10-28T00:41:43.031807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441observed 74217b76b09b99964c71dff9c74410c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:42.960963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441/manifest.jsonobserved fc95b97270c3dd8202218e2ff4cef9ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:42.821319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441/publication.mdobserved 5c606ee91b443ebcf20a1a3308ad1556...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:42.730658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441/publication.txtobserved 569eeba6105755b01d9aacf0e90129de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:44.539185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441observed 74217b76b09b99964c71dff9c74410c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:44.483798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441/manifest.jsonobserved fc95b97270c3dd8202218e2ff4cef9ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:44.380107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441/publication.mdobserved 5c606ee91b443ebcf20a1a3308ad1556...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:44.310181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047441/publication.txtobserved 569eeba6105755b01d9aacf0e90129de...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 |
|---|