OT-2026-000053217
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000053217) never changes.
Identity and time
| Publication number | OT-2026-000053217 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a14-7028-897e-7153c31bbf24 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053217 |
| Status | PUBLIC |
Content hashes
| Canonical text | cced96b81a541debf3ac98441c8864c1fe6dce9a096ac7858cc138731ed71329 |
|---|---|
| Markdown | dc2b7bd85adc1595878a18dcfad1fb121acd7933bff3b15c8b8bddd93cb31440 |
| Publication page | 4351cad1c51c0af62a2d395c8085d41c5732911ab1ffd3eae2d94ffd6d2326e4 |
| Manifest | b1da98e1f8935f6ab06d3d5fd2d9d72ea408ce2845d6e39a730d9ffeae58af96 |
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 | 04ANx/4Ciyhmd2oc7bFZnwKgZ4MKQue5Knc26EJQxD8BcGgwcyYElcRW1w5eJQQ1Nvyo05XDh13pEF8J0vwTAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T08:40:50.523532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053217observed 4351cad1c51c0af62a2d395c8085d41c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:40:50.503775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053217/manifest.jsonobserved b1da98e1f8935f6ab06d3d5fd2d9d72e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:50.482817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053217/publication.mdobserved dc2b7bd85adc1595878a18dcfad1fb12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:50.464041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053217/publication.txtobserved cced96b81a541debf3ac98441c8864c1...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. |
|---|