OT-2026-000028981
Publication integrity record
Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down
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-2026-000028981) never changes.
Identity and time
| Publication number | OT-2026-000028981 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7a9d-ab33-6c9975870c45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028981 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8005dd4ee8684d5f019323e064f5e1b77cf1f76a5be69c0d6146ec8f60d93fb |
|---|---|
| Markdown | 1b878bd82ed4d06d68c20a5e274e1eba054e817c4b7ef4314fe325b1c307752b |
| Publication page | ff7fce5177c99bdaf90993cd1bce5be58ae9164d63340cef4c68829807f689fd |
| Manifest | 6529c920ce908c570f25704651ec3519aafa9e67bf7b6dd8c90b07ca9ff47ad3 |
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 | vadbagL+AGJaTu8Iwvwqh6TfbkVYG/pJc7Flfanb7jj23MA05t+PFotqC5u6KgcRq5DJhHwt4GCMujvmj3QKBA== |
| 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
| 2026-09-17T08:20:30.554673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028981observed ff7fce5177c99bdaf90993cd1bce5be5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:30.535191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028981/manifest.jsonobserved 6529c920ce908c570f25704651ec3519...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.515024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028981/publication.mdobserved 1b878bd82ed4d06d68c20a5e274e1eba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.494454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028981/publication.txtobserved a8005dd4ee8684d5f019323e064f5e1b...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. |
|---|