OT-2026-000020668
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000020668) never changes.
Identity and time
| Publication number | OT-2026-000020668 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7845-a337-ae16c675feea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020668 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fb7dfd5c02d35f6372809015332d1429bd00700e15a714204a7a7ac98718d75 |
|---|---|
| Markdown | 892650a5720314919d0d70f409e6408dca6b5e3eb76e667c594718950f31e51f |
| Publication page | 6229c742c4ada69a72ac9fb9af0895fa6adf810921f34bc75793717d115d80b5 |
| Manifest | d31bcac2fa401d5b6e8a0a40561bc88876b8ab5fd79f6f2ebf85522214e834ed |
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 | C8ZQVS3cSr8vLzwPJRl7eEnuHZDswpc8qNAwWDFvWUR0T2FaH5+hY5/x7lbTDcpb9FILNSKmPX9EOMZYG7pRDw== |
| 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
| 2026-09-17T11:55:37.591971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020668observed 6229c742c4ada69a72ac9fb9af0895fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:37.572475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020668/manifest.jsonobserved d31bcac2fa401d5b6e8a0a40561bc888...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.551639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020668/publication.mdobserved 892650a5720314919d0d70f409e6408d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.531549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020668/publication.txtobserved 8fb7dfd5c02d35f6372809015332d142...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. |
|---|