OT-2026-000056244
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000056244) never changes.
Identity and time
| Publication number | OT-2026-000056244 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7cd0-af94-98d76932dfe7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056244 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25682a36330387b56c6193d820d812f7c0fe457afe8bd84921b45c1db5be015b |
|---|---|
| Markdown | d7eab7700bcea79d3e53b3ae0cfde543ed8e1d39a8af4c5c084a9bc483e6405f |
| Publication page | 16e954207baca51b536d9d8933b63193dcd2b317358cc707a99c7c74eae28523 |
| Manifest | dc72defe0aef6b656b1d2f64acf703b04f67820edfc32932c2e7f1ea3b42a681 |
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 | zAPkw5Fcg+jKFeoiWElR514oAAHBJQzE6Y7ol7e9rP7tnCOyhl6lEBCeJ+aURuJ+DfhtUFnL5++1lrp8GQXKCA== |
| 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
| 2026-09-17T10:50:43.463336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056244observed 16e954207baca51b536d9d8933b63193...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:43.446259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056244/manifest.jsonobserved dc72defe0aef6b656b1d2f64acf703b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.430100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056244/publication.mdobserved d7eab7700bcea79d3e53b3ae0cfde543...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.411869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056244/publication.txtobserved 25682a36330387b56c6193d820d812f7...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. |
|---|