OT-2026-000028612
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000028612) never changes.
Identity and time
| Publication number | OT-2026-000028612 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-74df-9032-27ac29e5c7e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028612 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38a1457da6df5396f2daf99809130568859f9f6d22b54e4634395538400f2abb |
|---|---|
| Markdown | 8105a055009ccc78de4644357dda40659c2da984b9b48b4f2e6a5f3b660ef9e8 |
| Publication page | 6d421de977f3b360e25d3ce4ac389c2d4b08a13e894465e8712582d839450c22 |
| Manifest | 82800a55307dc8bffc79abb0909ba6c6357f027a479ecf30f85a4708ddf05ff7 |
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 | ywZ+Am32mP8Ubc82/CpB8pTdHkEcHYj1cc+SzZ7tSm7L//ch+u/RfTAomcOcH9llsyaK04/AUKgZsZOmhi3PCg== |
| 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
| 2026-09-17T11:41:28.461291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028612observed 6d421de977f3b360e25d3ce4ac389c2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:28.441749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028612/manifest.jsonobserved 82800a55307dc8bffc79abb0909ba6c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.419814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028612/publication.mdobserved 8105a055009ccc78de4644357dda4065...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.401729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028612/publication.txtobserved 38a1457da6df5396f2daf99809130568...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. |
|---|