OT-2026-000042249
Publication integrity record
Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000042249) never changes.
Identity and time
| Publication number | OT-2026-000042249 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-76d3-a46d-9d460d7a62f1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042249 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1c19240fd40988eecdda0c1548743116f2a1742800c0afa10d8590571f8ea7e |
|---|---|
| Markdown | 0e31d4b174df663d2c2997bd0c027793e7d54244a87289940012dbf336bfcb7b |
| Publication page | 2d31ad91c682db8c0a0a84e16d6adf4771e4a514c93813aae3fd6e97c671e488 |
| Manifest | 6e15e3648d60d36dbf72bd3ea2e2061066f038a7ea3734f6b956678e57eedadc |
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 | 87ckKBX2RZPyxqw/8+ERNpOcSmAUHhyR4/uQXdZ1uOsCL9KuheWezukzwwCqiGY3YSkq/hHM2+F0J0aLmnOBAg== |
| 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
| 2026-09-17T11:15:55.919746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042249observed 2d31ad91c682db8c0a0a84e16d6adf47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:55.900432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042249/manifest.jsonobserved 6e15e3648d60d36dbf72bd3ea2e20610...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:55.880127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042249/publication.mdobserved 0e31d4b174df663d2c2997bd0c027793...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:55.860617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042249/publication.txtobserved d1c19240fd40988eecdda0c154874311...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. |
|---|