OT-2026-000005481
Publication integrity record
Vacuum cup gripper, two zone face, six outlet manifold, ejector fed, pressure verified, contact triggered
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-2026-000005481) never changes.
Identity and time
| Publication number | OT-2026-000005481 · never reused |
|---|---|
| Internal UUID | 01a0a93a-5d9d-7f0a-adaf-e19e51bdceff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:29.696767Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005481 |
| Status | PUBLIC |
Content hashes
| Canonical text | a93f639bf4cf35aef131279025347acc501c9470771552073053a2c7af218d9f |
|---|---|
| Markdown | 3325d56f1b16afad6e6ec3129c5054a6dd9c9f031dfba53064726d669bb4f3fe |
| Publication page | 3134484d715383bfacc32f9f239355fd6bee5c53f98995396bae900bda89e6d1 |
| Manifest | c34115c4317899dcb67d1c4e54ce4b6fc25f2a9656383dc10181fb9e3cd81497 |
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 | 74Y1twWqxkl/txAq6vYDYMFQEyFLDfhHckCpbPa38enVMrsjtxLxZ/eurH+E78g/xNjSkXu1+4IH0AX3xDrTCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:44:26.406255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481observed 3134484d715383bfacc32f9f239355fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:44:25.897609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481/manifest.jsonobserved c34115c4317899dcb67d1c4e54ce4b6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:25.398563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481/publication.mdobserved 3325d56f1b16afad6e6ec3129c5054a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:25.129010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481/publication.txtobserved a93f639bf4cf35aef131279025347acc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.180729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481observed 3134484d715383bfacc32f9f239355fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.167167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481/manifest.jsonobserved c34115c4317899dcb67d1c4e54ce4b6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.151098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481/publication.mdobserved 3325d56f1b16afad6e6ec3129c5054a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.137833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005481/publication.txtobserved a93f639bf4cf35aef131279025347acc...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|