OT-2026-000013842
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013842) never changes.
Identity and time
| Publication number | OT-2026-000013842 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7113-a921-5a5d3bbc372d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013842 |
| Status | PUBLIC |
Content hashes
| Canonical text | 598d3719802c24ba44732ee726b7b12024bc3dd127a20b09a784e2844624bf3f |
|---|---|
| Markdown | 6778643cf661414d2ce4681187999fab1f0b29694d5a718cd52857d16692ff42 |
| Publication page | 74380614e1e2cdb73b4fcfd93087fb27935213fda9353b070f41eeced1b64dff |
| Manifest | 3fb732ebdeba0e82cca276844fc99c33dce9ba0b53aa7f9d86b9eaa47259d413 |
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 | NeuLXGgfGWi5WehbKev6p0OrYGhG1ymQaeHiPQWaE7MwgY/YbhS29JahzNhx2qqL6jy5HnDHAQyjW4YD349HBA== |
| 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
| 2026-10-14T04:41:24.673111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842observed 74380614e1e2cdb73b4fcfd93087fb27...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T04:41:24.620094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842/manifest.jsonobserved 3fb732ebdeba0e82cca276844fc99c33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:24.551076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842/publication.mdobserved 6778643cf661414d2ce4681187999fab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:24.440775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842/publication.txtobserved 598d3719802c24ba44732ee726b7b120...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:31.592399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842observed 74380614e1e2cdb73b4fcfd93087fb27...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:31.519856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842/manifest.jsonobserved 3fb732ebdeba0e82cca276844fc99c33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:31.468994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842/publication.mdobserved 6778643cf661414d2ce4681187999fab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:31.406261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013842/publication.txtobserved 598d3719802c24ba44732ee726b7b120...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 |
|---|