OT-2026-000048163
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000048163) never changes.
Identity and time
| Publication number | OT-2026-000048163 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de2-76f1-8627-0de3dde2c16d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048163 |
| Status | PUBLIC |
Content hashes
| Canonical text | 84cb2c439c83ac6fc31d2dc05accfd304e0ecae8c96cfd7828b28746e9cea4c1 |
|---|---|
| Markdown | 5b00ca8d98f6821e1f91918959a8593a62ad26d43704e813c19e2b250e6fafa7 |
| Publication page | 62b58c03ece62c2aa7a90f9a7626b33183fa41b76cf2767c97e469d402acf763 |
| Manifest | 7f8c88e41627442b2a22989e4de8f08178517ce1a9c6285bbfee1e0e53ea7f7c |
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 | mGyAHvXEBUt1VGK8xum/CRifCvCGiTpG9xHviz12Uanirj18HK/TQHNiC5EmaKA7/TEVNhoDLDhtTOMeF+T+Dg== |
| 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
| 2026-09-17T11:04:41.671833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048163observed 62b58c03ece62c2aa7a90f9a7626b331...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:41.653111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048163/manifest.jsonobserved 7f8c88e41627442b2a22989e4de8f081...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:41.585664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048163/publication.mdobserved 5b00ca8d98f6821e1f91918959a8593a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:41.521277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048163/publication.txtobserved 84cb2c439c83ac6fc31d2dc05accfd30...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. |
|---|