OT-2026-000028665
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000028665) never changes.
Identity and time
| Publication number | OT-2026-000028665 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7669-815c-ac0e0369dd81 · 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-2026-000028665 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13cd91869b98d6f4756ad1a75765218947d7c119f98e89a00ba150cd6c4487ee |
|---|---|
| Markdown | 9d05ff99df651bbf7c2cfee716450e418e01dd430a81cbfeb51fbbc4f61a3956 |
| Publication page | edec60d642cc911a23458f794f82bcfbb4e83107ba01ea962364d3159bbb946b |
| Manifest | 8628168d9adbf431cded5fb2dad3a9b5c14a4d03cfe28ea6aa5f1af9dc84b0e2 |
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 | /H83FHAUYKWDt5Ctra86S/ns0YL4ZaiL/Ot7fG0zXXlPWddp2f+xQJe/UA4zrqcWymh3zTvaBGzK5C9eMaIMCw== |
| 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
| 2026-09-17T11:41:32.804607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028665observed edec60d642cc911a23458f794f82bcfb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:32.787331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028665/manifest.jsonobserved 8628168d9adbf431cded5fb2dad3a9b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:32.769215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028665/publication.mdobserved 9d05ff99df651bbf7c2cfee716450e41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:32.751095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028665/publication.txtobserved 13cd91869b98d6f4756ad1a757652189...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. |
|---|