OT-2026-000021555
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000021555) never changes.
Identity and time
| Publication number | OT-2026-000021555 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7b83-9cfe-4c87b3835719 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021555 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76ab0eb536c9113b7403a2e61906367e80f53f0c43b6553efd492a6fa042af44 |
|---|---|
| Markdown | 3b6cf241a7012473496372996f36b859b8b9c760a45e447c3f016e6bb3ca649a |
| Publication page | 2e3cf78d37dfe4afa4c208676e9006165e3668d1e841e3d304aa4efbe3bd2a53 |
| Manifest | 62ffc82e77f68ecc6c49c7e408c7657725cc27ab6c245ae835d6852688befb6d |
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 | s9ln3MM3kzQLQJkoz6t3wNf1WA6VINQs095iDwp/gNBgh7dE6Yby9/+h/GkjLnpq6blwVpObM00s8eNud2GWCw== |
| 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
| 2026-09-17T11:54:50.389794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021555observed 2e3cf78d37dfe4afa4c208676e900616...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:50.373280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021555/manifest.jsonobserved 62ffc82e77f68ecc6c49c7e408c76577...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.354228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021555/publication.mdobserved 3b6cf241a7012473496372996f36b859...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.329332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021555/publication.txtobserved 76ab0eb536c9113b7403a2e61906367e...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. |
|---|