OT-2026-000041378
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000041378) never changes.
Identity and time
| Publication number | OT-2026-000041378 · never reused |
|---|---|
| Internal UUID | 01a0ae79-b144-7782-810f-e42df4879fb5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:45.980839Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041378 |
| Status | PUBLIC |
Content hashes
| Canonical text | a51ba1949a6760a8c7b942403a5481dce21880576eebfa1ee0da3be934ae7e10 |
|---|---|
| Markdown | 5cf81889135e8cd4fe1938d5f66308f62c12cdf0d67d39dc381663508bb3a98c |
| Publication page | 300b970e704448e37d07503d9df3e2c6ea6df4d7076b62a3dcbb7edde29aed07 |
| Manifest | 9a3934b0b9cf6e523759dfc03f7e2bfbdf20d13cfbbe97e7947c2a649f262988 |
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 | NmlYhEU+QYp9AhMbhjafFWJa3y7zAwF7bNEaYw6avZ790EDSgQUZ9wErV/zOT2mlzP7Ce+yzhIOY1QM5nnfUDQ== |
| 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
| 2026-10-27T20:41:16.438870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378observed 300b970e704448e37d07503d9df3e2c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:16.387009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378/manifest.jsonobserved 9a3934b0b9cf6e523759dfc03f7e2bfb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:16.334208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378/publication.mdobserved 5cf81889135e8cd4fe1938d5f66308f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:16.272230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378/publication.txtobserved a51ba1949a6760a8c7b942403a5481dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:24.261155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378observed 300b970e704448e37d07503d9df3e2c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:24.208886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378/manifest.jsonobserved 9a3934b0b9cf6e523759dfc03f7e2bfb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:24.148589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378/publication.mdobserved 5cf81889135e8cd4fe1938d5f66308f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:24.070738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041378/publication.txtobserved a51ba1949a6760a8c7b942403a5481dc...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 |
|---|