OT-2026-000015412
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000015412) never changes.
Identity and time
| Publication number | OT-2026-000015412 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-7b5b-ae96-a4b6e466f8f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015412 |
| Status | PUBLIC |
Content hashes
| Canonical text | 75bec090c80fcd19f1f8e173ab024ee017cfac6a0501e919bf608874f731c4ac |
|---|---|
| Markdown | a38318cc0cb1f391d0d3c984bbe3b30621cbf5066e4fb563c9546600d2412f70 |
| Publication page | 243c9ce1f4c7be86833c386204a010be09d0f677dbf8baf08f56fdabfa3a3865 |
| Manifest | a98c9b2d23bc0c77bc51584a6f97a44733a5289bbcd8ff11e40281f7be1f9ba2 |
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 | G0KYv9+Y7z1LaPdMzhZbk6ApaGELmjiOREEz2e3O02S3uf8R3j6MQQeeCfbnftTHvsYdZ9QlewsV4OU9/sTgBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:06:08.496156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015412observed 243c9ce1f4c7be86833c386204a010be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:08.474211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015412/manifest.jsonobserved a98c9b2d23bc0c77bc51584a6f97a447...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:08.451736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015412/publication.mdobserved a38318cc0cb1f391d0d3c984bbe3b306...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:08.430982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015412/publication.txtobserved 75bec090c80fcd19f1f8e173ab024ee0...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. |
|---|