OT-2026-000090842
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000090842) never changes.
Identity and time
| Publication number | OT-2026-000090842 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7887-86cb-e9eb12519672 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090842 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cd3d9a2bbc70e924d3530da96404d335fe61924fdec967070fd465e68794fb1 |
|---|---|
| Markdown | f1023ef131bb8c2178d5a96b5ba94a28d8a2b5da3b3c4a7f16b2e0cb48ec3428 |
| Publication page | cbb531e2bc015fe936d0d668c95463f20ecbed4fa398ce60f626a2ada2b1c769 |
| Manifest | 3a04972043c32b08dfbc4cd1f203db34771637b76738d4a9e8271a5f82fe4b47 |
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 | RcBy9KSMnNwqo1xgmtrrm1QUO0Y7aHBva3qi7k4dVAWqa8hO4A7RcjNZ8UGUQLx+QZmq1RtJWwVxgGgdPvfpBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:01.651250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090842observed cbb531e2bc015fe936d0d668c95463f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:01.617863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090842/manifest.jsonobserved 3a04972043c32b08dfbc4cd1f203db34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.582920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090842/publication.mdobserved f1023ef131bb8c2178d5a96b5ba94a28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.551952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090842/publication.txtobserved 7cd3d9a2bbc70e924d3530da96404d33...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. |
|---|