OT-2026-000056776
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000056776) never changes.
Identity and time
| Publication number | OT-2026-000056776 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af7-7b17-874e-2649c607b136 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056776 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d17bbdabd2eea794ce75023c236644a61fb9bdbcd0fa3acfc6224929afc2d4a |
|---|---|
| Markdown | 772910132368bce73d9a940ede24c9e8f617adc1dc176c2a3aa431dc96a061de |
| Publication page | 17b829c19f48f718df8a651f0bdccaee748ca0c3b97ab706c34833de6b0e269c |
| Manifest | 42ec38bd7d9fa1a6b60e5b9e298ae0b12a3931d9881ed7f7b97e9c2b9422de1e |
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 | yRY5f5R7z11PqCLaW04pvY3JAG049EOw3vFxPvFXstOuR94+2peEn33BYS50trIYWQ6xTsLXzSYXnrZi+G/RDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:15.080748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056776observed 17b829c19f48f718df8a651f0bdccaee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:15.064929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056776/manifest.jsonobserved 42ec38bd7d9fa1a6b60e5b9e298ae0b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.047315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056776/publication.mdobserved 772910132368bce73d9a940ede24c9e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.027892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056776/publication.txtobserved 1d17bbdabd2eea794ce75023c236644a...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. |
|---|