OT-2026-000090772
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090772) never changes.
Identity and time
| Publication number | OT-2026-000090772 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7fd5-9b3b-1c9b6746ec9a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090772 |
| Status | PUBLIC |
Content hashes
| Canonical text | 89a6b70934b74ad6abdb59c9f31458a185754a1742af8aa7b56eea2683c1f8d4 |
|---|---|
| Markdown | ac413d9741eb952390fff16a4ae2204fc9d04734296686b24bf9453af39a71f1 |
| Publication page | c464a12cefd19ccc587149512eaf200e57d1cb9a45d3899d6f32b1db732212c2 |
| Manifest | b6ebf7817dc37f792311fc8770100f8564c1a9d14f944c225f5ee378b6e35d08 |
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 | 3adEOs+/Uti0RNXh0YLf+GNNhpfdU6IuVpk7b/bKgTpFZPwBDwRPNx6+vkvBLmjps2PFPeGnQysJXfcA1ONdCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:58.384634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090772observed c464a12cefd19ccc587149512eaf200e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:58.365257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090772/manifest.jsonobserved b6ebf7817dc37f792311fc8770100f85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:58.346030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090772/publication.mdobserved ac413d9741eb952390fff16a4ae2204f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:58.327028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090772/publication.txtobserved 89a6b70934b74ad6abdb59c9f31458a1...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. |
|---|