OT-2026-000004371
Publication integrity record
Bellows cup vacuum gripper, four outlet manifold, pump fed, contact triggered, vented after set down
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-2026-000004371) never changes.
Identity and time
| Publication number | OT-2026-000004371 · never reused |
|---|---|
| Internal UUID | 01a0a915-7922-704b-b155-e2404fc40516 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:11.909460Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004371 |
| Status | PUBLIC |
Content hashes
| Canonical text | b91602019cc5302428bb6c1e23d0c897b6d857067006eb5b89c2812ed3eaa950 |
|---|---|
| Markdown | 4300ca4545a387512c051f0661039b05315f5bb964bfc9c6a8fb7fd3cf4c29d0 |
| Publication page | 56bb35ad7dcc3ebbbc2fd4d42345d3291c14682ad98eb84d28e1b6c9a2cfeca7 |
| Manifest | 0e4baafad500f56900857a07f0ef6f902203bff205a1ccf4d5df589aca38b602 |
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 | Xb7mVpgxJMv3lRdlpyE59VPyVkKBvVnNTJC5Q2F20tU7uTY729N2eMJ1TMBXNjcRgKO1ljpMVJ03i4QkKxrVCg== |
| 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
| 2026-09-16T07:20:05.449757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004371observed 56bb35ad7dcc3ebbbc2fd4d42345d329...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:05.436079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004371/manifest.jsonobserved 0e4baafad500f56900857a07f0ef6f90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:05.421733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004371/publication.mdobserved 4300ca4545a387512c051f0661039b05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:05.407489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004371/publication.txtobserved b91602019cc5302428bb6c1e23d0c897...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. |
|---|