OT-2026-000015474
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000015474) never changes.
Identity and time
| Publication number | OT-2026-000015474 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-7046-8bcb-c939c4485f55 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015474 |
| Status | PUBLIC |
Content hashes
| Canonical text | 23b096fbf831ce86b120d56035202e290df8fc1e179bfb9e07b9c7468f9b8e88 |
|---|---|
| Markdown | 6a25464d48afc370af80fe44931dc8881ff5a45b3141a8181ac63096bf796185 |
| Publication page | 497a6b5caf84fbbadccb44c5f7e1d0671373d05e3dc72be0635e97637d1bfc9e |
| Manifest | 366f68e91f090ad3a6f00444d5ebdc7949869eedb466c4b7fe3d5fb144dd3747 |
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 | 30zTBAcpp3zEyGeLLefW80L1jzUtF/MB4OrV4eFROTW3KDz8Stv14JuXMxuYAtYdB9oH2fpUM40ImMcVPK66DQ== |
| 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
| 2026-10-08T08:42:11.221681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474observed 497a6b5caf84fbbadccb44c5f7e1d067...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T08:42:11.143909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474/manifest.jsonobserved 366f68e91f090ad3a6f00444d5ebdc79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:11.045152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474/publication.mdobserved 6a25464d48afc370af80fe44931dc888...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:10.955892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474/publication.txtobserved 23b096fbf831ce86b120d56035202e29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:40.568569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474observed 497a6b5caf84fbbadccb44c5f7e1d067...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:40.499161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474/manifest.jsonobserved 366f68e91f090ad3a6f00444d5ebdc79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:40.413020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474/publication.mdobserved 6a25464d48afc370af80fe44931dc888...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:40.315261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015474/publication.txtobserved 23b096fbf831ce86b120d56035202e29...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 |
|---|