OT-2026-000043222
Publication integrity record
Foam pad vacuum gripper, plant vacuum fed, sustained blow-off after 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-2026-000043222) never changes.
Identity and time
| Publication number | OT-2026-000043222 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327c-77b5-91c0-55e89410ffa5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043222 |
| Status | PUBLIC |
Content hashes
| Canonical text | 978a31b72aeae9970bb4e8ad45ee20546fa637edc6e80941743c45b3a1581900 |
|---|---|
| Markdown | 934f7374d9818c2270c955e893a8d04a33fa500328fcb0a808ca6b0524ca60bd |
| Publication page | c3b8d493851b22681ff92d0eef543afc0ee5d3650d4295b3f10620b7f5fd55ef |
| Manifest | 18a8155c64d1dbb36191b9c8e5174e14665ba144ebd7ecfcfd86975f35fd5206 |
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 | 34w6OfoTIRUpTL+PMDPFhz7uHCQ+ScSfxUKZ5SwNaGxTufBx9DL0I85mxJAXMXf2wYBHpRtdPod2WZU5F05uAw== |
| 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
| 2026-09-17T11:13:41.309963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043222observed c3b8d493851b22681ff92d0eef543afc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:41.287234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043222/manifest.jsonobserved 18a8155c64d1dbb36191b9c8e5174e14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:41.268310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043222/publication.mdobserved 934f7374d9818c2270c955e893a8d04a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:41.248353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043222/publication.txtobserved 978a31b72aeae9970bb4e8ad45ee2054...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. |
|---|