OT-2026-000007441
Publication integrity record
Vacuum cup gripper, plant vacuum fed, contact triggered, silicone cups, flat form
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-2026-000007441) never changes.
Identity and time
| Publication number | OT-2026-000007441 · never reused |
|---|---|
| Internal UUID | 01a0a97e-e95a-7638-9b9d-833a1e2f76ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:14:21.917127Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007441 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa093e80a4b99097be29225bf4cd6c47313384757c750a9557aa8261fa0b527a |
|---|---|
| Markdown | 8cf499f84e64ac45db9a4cb10fc8509e986c0dc800b87a7eee07f1ee1247f4e8 |
| Publication page | 8a572a49537069f55b2460a456b977c577f15a601143ce9a9a7ca626f7fda01c |
| Manifest | cfd3e434a07f4439a2dace544182010b74ed93bd6b97f59ef71bbd756b6fb12e |
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 | F2nIJzOVQG349u1b+Svw3zrLiPoW8WOJ6qpdFg5SRLoivpqjKuvm1oW1bfYBalbozwxu9PW1Qe+PssmzbkuMAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:05.201466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007441observed 8a572a49537069f55b2460a456b977c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:05.189128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007441/manifest.jsonobserved cfd3e434a07f4439a2dace544182010b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:05.176393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007441/publication.mdobserved 8cf499f84e64ac45db9a4cb10fc8509e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:05.161985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007441/publication.txtobserved fa093e80a4b99097be29225bf4cd6c47...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. |
|---|