OT-2026-000020689
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000020689) never changes.
Identity and time
| Publication number | OT-2026-000020689 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7d37-94f3-1314e4a51e78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020689 |
| Status | PUBLIC |
Content hashes
| Canonical text | 238a3bdaa211fc8cac016dc555b46817a93ba9160413a25c00f92f729544c73c |
|---|---|
| Markdown | b56d26f80ea49b22d830a46aaa95a085db24fad7a66108a970374776cc93b081 |
| Publication page | 1547068516380193774691d8e90451afaf9c6ed20a405b0f67c2fb22c308177b |
| Manifest | 4bbac43f4158dcbff691319c47c9e3d27ff44b4f1732c8735ec8284e0115acfe |
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 | BDubn7rMl1LmAjV/e3j8qU8q1KTnpbPx97hSm56WNPBIR5vdqyDp9E9sIbwpsBAyLx9uBh4jnwm5TfY54uMrAg== |
| 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
| 2026-09-17T11:55:43.857181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020689observed 1547068516380193774691d8e90451af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:43.838199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020689/manifest.jsonobserved 4bbac43f4158dcbff691319c47c9e3d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.818718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020689/publication.mdobserved b56d26f80ea49b22d830a46aaa95a085...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.799339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020689/publication.txtobserved 238a3bdaa211fc8cac016dc555b46817...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. |
|---|