OT-2026-000028721
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028721) never changes.
Identity and time
| Publication number | OT-2026-000028721 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7311-a305-91e859e0f2ab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028721 |
| Status | PUBLIC |
Content hashes
| Canonical text | da0ec6ac50ca978146e8b19e4520ddb4e2827152d0b20f0086372d3a5cc48ea4 |
|---|---|
| Markdown | ef3d97c2630de6e42df0fc2cf8ce9401ed888d3340c99bd9fc54f6b7a9692a86 |
| Publication page | 609cdcbe37f15be7cd9691d28410ad725d59c32fa73accedde9889a4c212aceb |
| Manifest | a16b15e9e55efb092e5d4f4f26abda78db687cae7f5b1ddcf7579246b12e000d |
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 | PZHTrt3N5RrM8DLgMY/AM4nCDmt/Vq/eIcKMvDlWxbR3Zbnvq45wwkvv2xP7nT9LK84sveRCSwWhlax3LiAvDg== |
| 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
| 2026-09-17T11:41:43.908666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028721observed 609cdcbe37f15be7cd9691d28410ad72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.888959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028721/manifest.jsonobserved a16b15e9e55efb092e5d4f4f26abda78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.865762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028721/publication.mdobserved ef3d97c2630de6e42df0fc2cf8ce9401...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.842134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028721/publication.txtobserved da0ec6ac50ca978146e8b19e4520ddb4...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. |
|---|