OT-2026-000078800
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000078800) never changes.
Identity and time
| Publication number | OT-2026-000078800 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-731b-b580-cc1b642ba6cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c37fae1851f931279a4673690ee349491c124a8b67fa02d04915994823c2783 |
|---|---|
| Markdown | 4bcd2808c9fde0def9e45a3ce23aa470fe65a91d86eab5709a535caa264c7c0b |
| Publication page | 4ee202d3ba518778c1c473505e909857261d4790de0b66b48afee044a2e84d83 |
| Manifest | ec3e30187dd6939ac153289aa8742566860c59754d980fb3058299e774b33af8 |
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 | HhL2FBE5x73D2qcctFdIQ6Fuh/zKLrDHjDeakzpZoaJnXgPYrMDpY1FznbPT/oYcaFj+ycS/jET4ELByzzJ+Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:35.439266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078800observed 4ee202d3ba518778c1c473505e909857...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:35.418038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078800/manifest.jsonobserved ec3e30187dd6939ac153289aa8742566...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:35.398108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078800/publication.mdobserved 4bcd2808c9fde0def9e45a3ce23aa470...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:35.379181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078800/publication.txtobserved 1c37fae1851f931279a4673690ee3494...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. |
|---|