OT-2026-000020971
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000020971) never changes.
Identity and time
| Publication number | OT-2026-000020971 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7655-9035-bdb6aedd735c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9d577b03f992fc1d0e7cea21279bb909bc27850700b5e1cea676d3278180474f |
|---|---|
| Markdown | 986d4a28bc0e23930eeeb46bbda1d04531cbbaef62eade4159b58ce9a12e98a6 |
| Publication page | 2f1f707fe086adf102185b4ef891d71e3eae25f66208e12a4353dfd510cad009 |
| Manifest | ee02a36014bc66c0e695d5f26c70e533d546fc4ec5322f6bedd27fc661b2d333 |
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 | Z9vYJRuykNBlkxH0udMqVE8cbPO70GVklAnUhjBpIpwREHyxb9dTtOMYVyuyM3bxWWZV/0K2DYkNI/v/WfoiCQ== |
| 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
| 2026-09-17T11:56:06.944833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020971observed 2f1f707fe086adf102185b4ef891d71e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:06.926860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020971/manifest.jsonobserved ee02a36014bc66c0e695d5f26c70e533...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:06.908928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020971/publication.mdobserved 986d4a28bc0e23930eeeb46bbda1d045...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:06.891033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020971/publication.txtobserved 9d577b03f992fc1d0e7cea21279bb909...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. |
|---|