OT-2026-000020427
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000020427) never changes.
Identity and time
| Publication number | OT-2026-000020427 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7452-81d7-d0da3d0919fb · 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-2026-000020427 |
| Status | PUBLIC |
Content hashes
| Canonical text | 736327e6dacd49edb0ca21336882cf6e826cd1ffc7e8432c429c6439868d8197 |
|---|---|
| Markdown | 8e78819b10fac86cc7d32b190bbe8182dd85621331032293ba34cd9839a2de3f |
| Publication page | 8281d1caf3386f9b255b0aef6fa321e27dec09ef86c58926327be1cf47e042f7 |
| Manifest | 76887b8781ab9e06caad52ec55b8fa57454f16896933bbffdf8e54e8d4dd84fe |
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 | U1KTY6WbHIJdiVVc+UEtAIqYUD+rDDq8hh6SQAAalRKT8McxKWTnZ0owFVoNVfnIV/PRC4e2tZIbKXa8X1GmBA== |
| 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
| 2026-09-17T12:00:20.606280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427observed 8281d1caf3386f9b255b0aef6fa321e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:20.586824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427/manifest.jsonobserved 76887b8781ab9e06caad52ec55b8fa57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.566337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427/publication.mdobserved 8e78819b10fac86cc7d32b190bbe8182...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.547722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427/publication.txtobserved 736327e6dacd49edb0ca21336882cf6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.532276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427observed 8281d1caf3386f9b255b0aef6fa321e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.514079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427/manifest.jsonobserved 76887b8781ab9e06caad52ec55b8fa57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.494900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427/publication.mdobserved 8e78819b10fac86cc7d32b190bbe8182...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.475485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020427/publication.txtobserved 736327e6dacd49edb0ca21336882cf6e...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. |
|---|