OT-2026-000025181
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025181) never changes.
Identity and time
| Publication number | OT-2026-000025181 · never reused |
|---|---|
| Internal UUID | 01a0ae71-5fa6-716c-8d66-cd5ba19046d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:40.790954Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025181 |
| Status | PUBLIC |
Content hashes
| Canonical text | a57c8630e056dfda2c8f67442c357937bab4bf37c0cd36ea38633b66333e5575 |
|---|---|
| Markdown | d69f8cf1a592d0a8447a1163ff5190b5191346ce1268dce86a8b79986b984fd9 |
| Publication page | 817ea896e0fd6a34aff24545d0c6eec38201af5651945e1a1975791b6043fc7c |
| Manifest | a5e66997d279a8354312760eeefa14583cfd76b2c39270ecd910bc74c5c175fa |
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 | Q9occ5Le+qGufF/af+J5vocFLSOfJ/ivqw6y8vftNC6FUy0TGpqQ3x/Pu2Rn9L4vOBplm7GFILcnQfQyZVrmAg== |
| 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
| 2026-10-31T20:41:49.083678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181observed 817ea896e0fd6a34aff24545d0c6eec3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:49.033526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181/manifest.jsonobserved a5e66997d279a8354312760eeefa1458...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:48.979439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181/publication.mdobserved d69f8cf1a592d0a8447a1163ff5190b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:48.907162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181/publication.txtobserved a57c8630e056dfda2c8f67442c357937...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:19.988812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181observed 817ea896e0fd6a34aff24545d0c6eec3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:19.888918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181/manifest.jsonobserved a5e66997d279a8354312760eeefa1458...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:19.768081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181/publication.mdobserved d69f8cf1a592d0a8447a1163ff5190b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:19.603804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025181/publication.txtobserved a57c8630e056dfda2c8f67442c357937...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 |
|---|