OT-2026-000003749
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, plant vacuum fed, contact triggered
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-2026-000003749) never changes.
Identity and time
| Publication number | OT-2026-000003749 · never reused |
|---|---|
| Internal UUID | 01a0a90a-f2b1-79b3-919b-b9630b590d94 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:42.132683Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003749 |
| Status | PUBLIC |
Content hashes
| Canonical text | c824456ca0d38436e7f5bdfb7eb76c73617f4af85e96536a175d66f868971032 |
|---|---|
| Markdown | 8a41a87bbd17de3af89f44de59cfcb21def50ef2a2f9345de0385d8dae4db591 |
| Publication page | 87b6632cacdc4db5ba8f5437d4a9de52ae4ec50e5c0c54be40ee20545ee0588b |
| Manifest | 3c75ca4f4d540c669aa8093231e8e2a08bd845a00d87dace27531f1948cda1d3 |
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 | clxBm5e6bdHyktrz6ItehsxzY7a1DJQ8bfJNqXZe+TpnDJqQNdoLHY8//VZfTiFZjRAIsWghx3Bn3WV3o5P+DA== |
| 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
| 2026-09-16T07:10:22.873007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003749observed 87b6632cacdc4db5ba8f5437d4a9de52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:22.802412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003749/manifest.jsonobserved 3c75ca4f4d540c669aa8093231e8e2a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:22.786659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003749/publication.mdobserved 8a41a87bbd17de3af89f44de59cfcb21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:22.768745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003749/publication.txtobserved c824456ca0d38436e7f5bdfb7eb76c73...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. |
|---|