OT-2026-000004720
Publication integrity record
Vacuum cup gripper, four outlet manifold, ejector fed, pressure verified, contact triggered
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-2026-000004720) never changes.
Identity and time
| Publication number | OT-2026-000004720 · never reused |
|---|---|
| Internal UUID | 01a0a921-3200-7583-8614-a3c00da6333e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:00.131354Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004720 |
| Status | PUBLIC |
Content hashes
| Canonical text | b44c2609427f473c00b8f1dfe2d1cb28fdde47c3c6e23bb5997b438a8f42659a |
|---|---|
| Markdown | 8e71d65da7e60d3d7bf94927b8e1115772dc5818b728127df92c469ac9080616 |
| Publication page | 3bb350eea18d6974b175faad903f456aac8776ffe9d8cc5dfd829dcb48177573 |
| Manifest | fef3bb05e05339a5babba26840373e4a3e65e11074e9749ac2c6b60f703aa6ac |
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 | lcYew5d+I2bdWuPUg1BIgm0ThBUYMwU9a/Z24dRGRHYcKQYGXlXMs6OZDySRknd+kbfjt/Rr0VADiCnMYsx+Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:26.155679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004720observed 3bb350eea18d6974b175faad903f456a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:26.142636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004720/manifest.jsonobserved fef3bb05e05339a5babba26840373e4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:26.129491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004720/publication.mdobserved 8e71d65da7e60d3d7bf94927b8e11157...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.994380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004720/publication.txtobserved b44c2609427f473c00b8f1dfe2d1cb28...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. |
|---|