OT-2026-000019236
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000019236) never changes.
Identity and time
| Publication number | OT-2026-000019236 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-79e8-a16b-d00e103de4bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019236 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28947e0e2726bc10cc03eeacfa017d8ed9aefaf9ce4ff2d2fff7b22c7430dcf9 |
|---|---|
| Markdown | 5c7e95e47ec20d4bb4ec39877d68d91fb2671b7b661d7b7d91d068716d006d58 |
| Publication page | b15142d0c24b64bd8f593f96de377728ff3fbcf22ec379f14d50cd2b8d2458d8 |
| Manifest | fc9f6a76c71811d460599be042545fd3da865149e1e401cc021c8beceb4589ea |
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 | d80S3PnCFR7rK7bn42wTWlqzSPIgVCWLwcZMqpS/ajADAcQkOFO/D0GG3qwwxFDbqwfrHRiA8Lc3k8Wht54ODw== |
| 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
| 2026-09-17T11:58:34.052536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019236observed b15142d0c24b64bd8f593f96de377728...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:34.034549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019236/manifest.jsonobserved fc9f6a76c71811d460599be042545fd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:34.014526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019236/publication.mdobserved 5c7e95e47ec20d4bb4ec39877d68d91f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:33.996387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019236/publication.txtobserved 28947e0e2726bc10cc03eeacfa017d8e...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. |
|---|