OT-2026-000077517
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000077517) never changes.
Identity and time
| Publication number | OT-2026-000077517 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-77a0-8c6e-f4d22fa4d207 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077517 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8f509b9420d2aa9dde4673e95cde279ab1a798dd3141a128eb11e8901f1f0e1 |
|---|---|
| Markdown | 4c05222f0a84e1b97c44e748a0fa2d5d255f3fd6b1c16a5411d152008fa82a5f |
| Publication page | c0d9f6ebe2330550399d1700d3d1d819732bc662040968dec8ce3d2e0b0fdcfa |
| Manifest | 8a7686ee9508d28cc6f47b5e3da9b4cffa2df20ecf7466b755b75470dc2197b4 |
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 | cw/52TwwAOlXtcpmnudoiCQELcWWHLHRb0msdmBGCBE8t97QZdXBfxDTEL2gu2yA/9E2A4fVXk6FD/hEzoYrBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:09:12.601251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077517observed c0d9f6ebe2330550399d1700d3d1d819...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:12.582296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077517/manifest.jsonobserved 8a7686ee9508d28cc6f47b5e3da9b4cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:12.560693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077517/publication.mdobserved 4c05222f0a84e1b97c44e748a0fa2d5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:12.541179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077517/publication.txtobserved f8f509b9420d2aa9dde4673e95cde279...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. |
|---|