OT-2026-000052021
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000052021) never changes.
Identity and time
| Publication number | OT-2026-000052021 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78e-74eb-b1c2-fcf06f3c9e50 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38eaa214ce4ff9eec4845e52588ccfd5dae9ad18d8c7ac7a4905359d054865e3 |
|---|---|
| Markdown | d65ca7d0e7c744358aa62a879a9d566733b76b4211c41c0fd3db2959f7fa0cab |
| Publication page | 3aa0cbf5240858bb8e41570bc772037be8106b6bf3c4da786958beb6451d1a54 |
| Manifest | db01f884087ac6bb0c60a632f050df9f7907bac8bd8858dc1bb2d0d218733dd4 |
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 | fzl2QFtTMRZTVdJj9jHGmtUJKeQgCHzrEb9RD+XBv147TcVicWKLdIyozxWvvvQjB+1zdHWLpcsVogm1nxxUAA== |
| 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
| 2026-09-17T10:57:31.937338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052021observed 3aa0cbf5240858bb8e41570bc772037b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:31.921357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052021/manifest.jsonobserved db01f884087ac6bb0c60a632f050df9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:31.904550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052021/publication.mdobserved d65ca7d0e7c744358aa62a879a9d5667...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:31.888780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052021/publication.txtobserved 38eaa214ce4ff9eec4845e52588ccfd5...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. |
|---|