OT-2026-000004115
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, pump fed, pressure verified, plastic cups, three fold
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-2026-000004115) never changes.
Identity and time
| Publication number | OT-2026-000004115 · never reused |
|---|---|
| Internal UUID | 01a0a90f-2269-754e-8bd4-016c0b6f4850 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:16.491510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004115 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7331a258acbcb5c90919fe68d3501280cb9bde6e8c8f2ee7a608b1306c8ef38c |
|---|---|
| Markdown | 7252eb03611bca9aab8f197ce9b89dab0c3d370f827f5fc19a89c9c78ef90fe2 |
| Publication page | 6ca34d6c6bfc5034905512c89852022b705b88a17d1cea05649f3c4288a8d621 |
| Manifest | 79b051b0354d5854c2e6f6e544c6bbb8c6087238a480d568ef5675ba25d09385 |
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 | XYsy8eSh5SsYyxwUVs3pHm3gk8X9VgABPesbj83clpOPXNceqbVvWzULCpC+wDqFAL7oq/Y/Zyya4av4lWtVCg== |
| 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
| 2026-09-16T07:20:34.889578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004115observed 6ca34d6c6bfc5034905512c89852022b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:34.876143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004115/manifest.jsonobserved 79b051b0354d5854c2e6f6e544c6bbb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.746675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004115/publication.mdobserved 7252eb03611bca9aab8f197ce9b89dab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.732115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004115/publication.txtobserved 7331a258acbcb5c90919fe68d3501280...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. |
|---|