OT-2026-000052970
Publication integrity record
Foam pad vacuum gripper, plant vacuum fed, vented 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-2026-000052970) never changes.
Identity and time
| Publication number | OT-2026-000052970 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-797a-937c-68c59760250e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052970 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92d15f420bb298abc09d2c40dbfe6071985ed6c625ddeab575065d32c211c07d |
|---|---|
| Markdown | 6cd0505eeaa1a417825eff506677b1a5b30edcb50d11c111038c8a6cd6f543fa |
| Publication page | e0114254b4624d22a18e0385ba9c5517de2a5f64baf4888667e240377047533b |
| Manifest | 59ee7116529be8a981be7463fa72d7ffb5e0f65922bc337bc993c77db2b7faf6 |
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 | qxyyS8jqy9xcY2yYFgMo2G7EOiSY4yduGyOFXWq/9+N0eYiPvQW4pXjXWyKfbU3Pxyzt3KgLDScaIzyvsZLcDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:39.373809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052970observed e0114254b4624d22a18e0385ba9c5517...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:39.358053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052970/manifest.jsonobserved 59ee7116529be8a981be7463fa72d7ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.341125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052970/publication.mdobserved 6cd0505eeaa1a417825eff506677b1a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.324184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052970/publication.txtobserved 92d15f420bb298abc09d2c40dbfe6071...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. |
|---|