OT-2026-000028908
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000028908) never changes.
Identity and time
| Publication number | OT-2026-000028908 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7b88-9537-c7d974b08468 · 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-2026-000028908 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2e687029cc28edf81ee550edc2195603ad6e99a45437517b3edbd8244ca3cd0 |
|---|---|
| Markdown | 2df8bb62aecc73575399e889c0c9c0bf8b284873f2190c6bc2e33da036b75473 |
| Publication page | 509b0f949f9d3b945c0a90e5fa03cc9879f06ad05061b2da9678038528e524e6 |
| Manifest | ceeea5b69577cd8b909730f038ec242f633070e39cd99ccb9b6a354db012d0d2 |
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 | V3ZDJrk0NwXBp10xaqa0oVmTh5klGnlD9DWYXPkb6yoEd+kmBitK3IVqGzLwP6Jtdom4LpbXjlk9vLw8DhAUCA== |
| 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
| 2026-09-17T08:20:18.695657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028908observed 509b0f949f9d3b945c0a90e5fa03cc98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:18.543695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028908/manifest.jsonobserved ceeea5b69577cd8b909730f038ec242f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.513439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028908/publication.mdobserved 2df8bb62aecc73575399e889c0c9c0bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.472439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028908/publication.txtobserved a2e687029cc28edf81ee550edc219560...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. |
|---|