OT-2026-000042861
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042861) never changes.
Identity and time
| Publication number | OT-2026-000042861 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7469-b363-ea6c76972196 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042861 |
| Status | PUBLIC |
Content hashes
| Canonical text | a54db0d02ce1d40d332f4acb09a16329ec48017447face9649c089efecf035ad |
|---|---|
| Markdown | 420d7b915a1fcbf4806c0038e746289c99b9427075c2762d5cc8d86852209ef5 |
| Publication page | d5f28fce2ea5e842793c2d493578d992cb4fff5fe36f50ac7f383d139817ac7e |
| Manifest | 5e93b14e58333fed53ba08b9bd15e74ef756507fe46a9869586a488984345367 |
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 | H0ZoVx0nL6GUaqqkmseOi5G50vbs3/RcVGcqi0ZTEeJcLOg38TkNIo4pQbzEHu5KPkYis7Tn/cJsRcWk+ccKBw== |
| 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
| 2026-09-17T11:15:21.287084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042861observed d5f28fce2ea5e842793c2d493578d992...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:21.265045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042861/manifest.jsonobserved 5e93b14e58333fed53ba08b9bd15e74e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:21.236348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042861/publication.mdobserved 420d7b915a1fcbf4806c0038e746289c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:21.208609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042861/publication.txtobserved a54db0d02ce1d40d332f4acb09a16329...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. |
|---|