OT-2026-000052071
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000052071) never changes.
Identity and time
| Publication number | OT-2026-000052071 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-7511-b4a6-7e7a1ffa921d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052071 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c2f9e03209d8ac89a41330f5da55e7b97267976fd0c090d6f43c18a071f7717 |
|---|---|
| Markdown | 0228d4b8f8035c804b46e2f9d9030cb70839501d7c4bd366950198297bc00c1c |
| Publication page | 7ca9b5ecfc86bc8010a7633fb59fc9410e0c5d93c1e050ef65ea171f9d8481b2 |
| Manifest | 18fbea7fe702a0ee77536740870d35a759e7d2d4db32612df35929ac8a232bbb |
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 | ZzQOLZqmSVPU3EygiPpzmXl/oHYrh3uH+bxzDbPsmnLksBXE9IinDrUjJbug9dKKHFZFBXnKC4fZgBvNaTqZDQ== |
| 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
| 2026-09-17T10:57:35.778761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052071observed 7ca9b5ecfc86bc8010a7633fb59fc941...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:35.760157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052071/manifest.jsonobserved 18fbea7fe702a0ee77536740870d35a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:35.740575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052071/publication.mdobserved 0228d4b8f8035c804b46e2f9d9030cb7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:35.721661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052071/publication.txtobserved 2c2f9e03209d8ac89a41330f5da55e7b...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. |
|---|