OT-2026-000021466
Publication integrity record
Foam pad vacuum gripper, plant vacuum fed, 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-2026-000021466) never changes.
Identity and time
| Publication number | OT-2026-000021466 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7fdf-b9fb-006bc2cce828 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021466 |
| Status | PUBLIC |
Content hashes
| Canonical text | a6f3d3410e136e51800b5e2966e87ae4d34795c255e791ac4f9253d3335cd741 |
|---|---|
| Markdown | b83d1a9f50bcbfc8dde452b282053923f7c016b5e6f9a1a0937e29bd6743d120 |
| Publication page | c439dfde4089d35d696346dcf94fb6789406319c0fe1c77b60ea26af9c8de220 |
| Manifest | 205291ec315fd4b8e8048883468c1c4e50cfdc8b373a3422e2875a98782148d7 |
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 | wHUZK86wKQPQN4mLsSijO0DxWD++rd9fusJScfiqPfN2zE3t5uqX4VwIbA6dvlbshwNrYwMXlax8WHI/lGXWCQ== |
| 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
| 2026-09-17T11:55:22.364661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021466observed c439dfde4089d35d696346dcf94fb678...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:22.346836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021466/manifest.jsonobserved 205291ec315fd4b8e8048883468c1c4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:22.329721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021466/publication.mdobserved b83d1a9f50bcbfc8dde452b282053923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:22.309939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021466/publication.txtobserved a6f3d3410e136e51800b5e2966e87ae4...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. |
|---|