OT-2026-000021928
Publication integrity record
Two bellows cup vacuum gripper, two 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-2026-000021928) never changes.
Identity and time
| Publication number | OT-2026-000021928 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7019-a4b4-f77aaedb0532 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3143f3fe4e3cec1e8d782a026fd7c7cc9e1e44d66a9549ce07ab7b46cb26526c |
|---|---|
| Markdown | 3ec4843681297e266ba3b2f4bae513224de216f11c2903cd8657780243f1cc99 |
| Publication page | 9cb0936111c3d91db6c8417a100306aab1f4f5e766498b3a373ffb40649e6f83 |
| Manifest | f6616b2e2912605b6d31d4f20bba4da0500bc59222be94708c43c74ac47787a1 |
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 | cj7o/tXOpVi4MddQcoQU8HvAVh+G0DbY3+9O6ze3lKELFQYT9whB1x/OamoudLmMoSZM0YoK9W2p45rLlYmVBw== |
| 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
| 2026-09-17T11:54:30.321908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021928observed 9cb0936111c3d91db6c8417a100306aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:30.306834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021928/manifest.jsonobserved f6616b2e2912605b6d31d4f20bba4da0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:30.290421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021928/publication.mdobserved 3ec4843681297e266ba3b2f4bae51322...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:30.271216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021928/publication.txtobserved 3143f3fe4e3cec1e8d782a026fd7c7cc...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. |
|---|