OT-2026-000020729
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000020729) never changes.
Identity and time
| Publication number | OT-2026-000020729 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-746d-b881-8558867b1152 · 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-2026-000020729 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1481ce899288bd1dd80a9373326e8d0cc8334958f0122aa86be5b23a80418ca |
|---|---|
| Markdown | 3ecc14b6865b3df29cce1f3f346c09c884822ff44de60343ca33f9fe6ae8a7d7 |
| Publication page | 37fbcc2a88635604f2d63bf1498b8c1b64f649537992fc9a5646df7f3e274e1d |
| Manifest | 9cb8c3611a43dcd6321c23b1d8a80b49847a2b3f27e42c50189ab01309c3d74a |
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 | cQpD+cCo/yZ7SAl1lK3XbjvzarCXbZw89W1gqmNI2B6WfK5QaWFxgRYz8VdkxGAyavkSmh14exgdipYImCD7DQ== |
| 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
| 2026-09-17T11:55:47.386596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020729observed 37fbcc2a88635604f2d63bf1498b8c1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:47.368375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020729/manifest.jsonobserved 9cb8c3611a43dcd6321c23b1d8a80b49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:47.349806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020729/publication.mdobserved 3ecc14b6865b3df29cce1f3f346c09c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:47.330453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020729/publication.txtobserved a1481ce899288bd1dd80a9373326e8d0...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. |
|---|