OT-2026-000003953
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, pump 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-2026-000003953) never changes.
Identity and time
| Publication number | OT-2026-000003953 · never reused |
|---|---|
| Internal UUID | 01a0a90b-91f7-7aab-8775-73f59a234ace · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:22.906371Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003953 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d52037f097f1ca7e6a330da5e0dd0c1b4e785eb584ea0bfb6a4c93e9b2120d2 |
|---|---|
| Markdown | 5131be4b94a533d4aa298604459c4877b46756fdebea3205ffd191dbc53b291a |
| Publication page | 72ad4a647ab2fd71d0cbc3c22b15cca6dcf32ae48cef0e809482cfe8606c2e7e |
| Manifest | 6edd302a327f79467d1682aa8eee7a659365b62a722ff9d8827ddd57166d5eb8 |
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 | LRSTWP/psl6MZ8fcWAXIES5xS7dXShpvZnr2AifpEoaiIoZWXE5RWlRspU3utyx7oSnu97CZIfCk0wOVbh/FDA== |
| 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
| 2026-09-16T07:10:10.210330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003953observed 72ad4a647ab2fd71d0cbc3c22b15cca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:10.198436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003953/manifest.jsonobserved 6edd302a327f79467d1682aa8eee7a65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.183297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003953/publication.mdobserved 5131be4b94a533d4aa298604459c4877...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.168540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003953/publication.txtobserved 1d52037f097f1ca7e6a330da5e0dd0c1...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. |
|---|