OT-2026-000020697
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000020697) never changes.
Identity and time
| Publication number | OT-2026-000020697 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-76d7-8c5f-6dd4f555f582 · 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-2026-000020697 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b7c0902f4d6849c3588c64b68db74a82616a22f2e82001243d99595ae7ad452 |
|---|---|
| Markdown | 54b4cde1765599dcf4952f3383274bea23f0812d0172ad2cbe2f7fd7e5dfcf02 |
| Publication page | 32dacc32072197132e89c2acca527c51dc138c4adbd4264554d61fbbcdd734fa |
| Manifest | e05058b65fc2e34118f0696123b57fce6d4c240be0c0c0ee1f9cffcc873adfb5 |
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 | +yAjUUSYLCPaBqvcypc6EAJmhL2a4YXDVOYxA9gjCbiSjz5QNjJ1D8VZGnRMVjnT7W2HivXS750YlE1Tyy+GDg== |
| 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
| 2026-09-17T11:55:44.661134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020697observed 32dacc32072197132e89c2acca527c51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:44.644353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020697/manifest.jsonobserved e05058b65fc2e34118f0696123b57fce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:44.626432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020697/publication.mdobserved 54b4cde1765599dcf4952f3383274bea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:44.609170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020697/publication.txtobserved 8b7c0902f4d6849c3588c64b68db74a8...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. |
|---|