OT-2026-000003543
Publication integrity record
Vacuum cup gripper, four zone face, six outlet manifold, plant vacuum fed
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-2026-000003543) never changes.
Identity and time
| Publication number | OT-2026-000003543 · never reused |
|---|---|
| Internal UUID | 01a0a90a-5440-7ac2-a705-72e257ae8401 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:01.570598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003543 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5e2e9d1df88f3f228e423430dd7563a7e3f16f6350c0ab9133ffc30d7bcb7b3 |
|---|---|
| Markdown | 75b848c7c7065c82cd32f5f6e6c0f71284e370a1c534e80671893f084c8744d2 |
| Publication page | d5b365044bbe4aee97c10458ae282c43b2169d42523b1bfc721f640e1a1c44f9 |
| Manifest | 6d9a04eb78665a691e4137944f73eed55b686eeece3ed24dfec216b06e1f8c4d |
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 | bOLYqCwm7PRHbTBGPHvu2ysmwb5sArTKwj7PJYpBBSSvr0njD5A/4Lt2PRHW/TypHSybFxtQFgyNYeiNb1HvCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:50:33.219249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003543observed d5b365044bbe4aee97c10458ae282c43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:33.204095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003543/manifest.jsonobserved 6d9a04eb78665a691e4137944f73eed5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:33.190529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003543/publication.mdobserved 75b848c7c7065c82cd32f5f6e6c0f712...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:33.174224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003543/publication.txtobserved a5e2e9d1df88f3f228e423430dd7563a...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. |
|---|