OT-2026-000004190
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, three stage ejector, pressure verified
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-2026-000004190) never changes.
Identity and time
| Publication number | OT-2026-000004190 · never reused |
|---|---|
| Internal UUID | 01a0a911-26db-7423-9a8a-b4de91500015 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:28.702024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004190 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab68662e0af766dfa193efdbd671694842133a307adcfbde2ebe447528612859 |
|---|---|
| Markdown | 939032d7c2354c2cac518dc5d0c61fcb38012d2468c2092c7c49943e899031ed |
| Publication page | f450266a4fe6066826635ecbcf1d2a1028a31186499e27dd8f2891377dcfead8 |
| Manifest | 1ce518bef727e2cc1fa0a56d1efd2ad52a9242bb983014a268c87efc2634e7e1 |
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 | N0u23w1NsubeB9PoKAsvNWhaNLNbitXMjLeni+TECzPf/TqNt5grh5uMknPReP8ueEMRBStwf/YHG0ZTpyGACA== |
| 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
| 2026-09-16T07:20:25.988432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004190observed f450266a4fe6066826635ecbcf1d2a10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:25.975330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004190/manifest.jsonobserved 1ce518bef727e2cc1fa0a56d1efd2ad5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.962893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004190/publication.mdobserved 939032d7c2354c2cac518dc5d0c61fcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.948151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004190/publication.txtobserved ab68662e0af766dfa193efdbd6716948...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. |
|---|