OT-2026-000020315
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000020315) never changes.
Identity and time
| Publication number | OT-2026-000020315 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7539-8d49-677dd5af3d2d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020315 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c6090ca6fdf3a317858348c6417c4cc7b088146d0389a11b05edce90ee473e9 |
|---|---|
| Markdown | d801f19373d5b1e67e0e3a6dcd679a7e5623081d20971d6c1318175c3bff1194 |
| Publication page | 51ba38aede64e21bb5f67f6007e7cf0f721c7cc2d2fd830f229b421939af5dcf |
| Manifest | d60dbdc5058554f49f333bd685eab5254fb4e2e6833284dc3b3015b9ed6f7bc4 |
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 | KKh8DXiv4Pm7e+yoVPCTE7Umi9HJuLdD0sGCJqgjdgesWaY9Yo3S+5OR3Go8+B3w8lvQB9N7CSadrzfIC1QACA== |
| 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
| 2026-09-17T12:00:05.018299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315observed 51ba38aede64e21bb5f67f6007e7cf0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:04.997768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315/manifest.jsonobserved d60dbdc5058554f49f333bd685eab525...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:04.977882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315/publication.mdobserved d801f19373d5b1e67e0e3a6dcd679a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:04.956237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315/publication.txtobserved 1c6090ca6fdf3a317858348c6417c4cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:15.856665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315observed 51ba38aede64e21bb5f67f6007e7cf0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:15.839988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315/manifest.jsonobserved d60dbdc5058554f49f333bd685eab525...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:15.821312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315/publication.mdobserved d801f19373d5b1e67e0e3a6dcd679a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:15.801491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020315/publication.txtobserved 1c6090ca6fdf3a317858348c6417c4cc...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. |
|---|