OT-2026-000004450
Publication integrity record
Vacuum cup gripper, four zone face, plant vacuum fed, contact triggered on the face
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-2026-000004450) never changes.
Identity and time
| Publication number | OT-2026-000004450 · never reused |
|---|---|
| Internal UUID | 01a0a918-278c-7d6d-8fff-d4ca7038222a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:07.632556Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004450 |
| Status | PUBLIC |
Content hashes
| Canonical text | acdf5a3df74367ea64454a11cc2fc6e2d68378fd432eab31a16d3326986c0126 |
|---|---|
| Markdown | e2e0e4e88009c7c7fff25a28c1262b5daf8a8a22884f931be760e1fcb1296776 |
| Publication page | 70cbf68e06a30aa444b19536bc7aeb398d4778193061c13b792242e9c3601d3b |
| Manifest | c0fbb43e02cc96e675de5bbb2d2f98ac8b63f77c4f6388e1fd46d5859f40ab71 |
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 | OxoniLgmfU4LD3to7Sc5lcuqY4M7WrW4e5jZJGk1TkzMdfiTPGZUndDjI6xtDsYVSm1wXNY2zfZCrdfiC3NTDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:26.200626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004450observed 70cbf68e06a30aa444b19536bc7aeb39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:26.187652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004450/manifest.jsonobserved c0fbb43e02cc96e675de5bbb2d2f98ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.174188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004450/publication.mdobserved e2e0e4e88009c7c7fff25a28c1262b5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.160872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004450/publication.txtobserved acdf5a3df74367ea64454a11cc2fc6e2...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. |
|---|