OT-2026-000004878
Publication integrity record
Vacuum cup gripper, two zone face, three 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-2026-000004878) never changes.
Identity and time
| Publication number | OT-2026-000004878 · never reused |
|---|---|
| Internal UUID | 01a0a926-53f7-7296-b3ed-208ef7e3b2a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:36.620994Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004878 |
| Status | PUBLIC |
Content hashes
| Canonical text | dff60a4aabe748ad5ef94b8c0f1968855d52ff06131b962ec498f4ec32e0bc1d |
|---|---|
| Markdown | 81945ef8030be3b85591e169dfa11a0b6d9866a84a42d489b688f22da1dbd4d9 |
| Publication page | 0334ae9af7de9e85bbbf3a85dc44759199ccd5a13261d7da34f0fd2940121f4c |
| Manifest | 2b37962ef441c3ffbd627cb8338099da772062ce87fb1e04468e8685240896c8 |
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 | KjaB7FRJzJuyCl6A1JUeq+cjHnAvMKFaFg6GL7UWfkqWzXeoBWeqsPJTIcRPQaoI82/iJlajAKiRjuTKShVGAw== |
| 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
| 2026-09-16T07:40:09.242088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004878observed 0334ae9af7de9e85bbbf3a85dc447591...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:09.229111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004878/manifest.jsonobserved 2b37962ef441c3ffbd627cb8338099da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.214762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004878/publication.mdobserved 81945ef8030be3b85591e169dfa11a0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.200190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004878/publication.txtobserved dff60a4aabe748ad5ef94b8c0f196885...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. |
|---|