OT-2026-000004138
Publication integrity record
Bellows cup vacuum gripper, four outlet manifold, pump fed, pressure verified at each zone
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-2026-000004138) never changes.
Identity and time
| Publication number | OT-2026-000004138 · never reused |
|---|---|
| Internal UUID | 01a0a90f-6b8d-712e-8bc6-a60cdb08d626 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:35.216139Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004138 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16f364e087e8184381c49b738af4ec0cbca0722065ce593ebd8687e428e61474 |
|---|---|
| Markdown | 6807ab88e2a5880b44a4d8ba21d30e378ef28251d8b8e01af60d9b51b65f7083 |
| Publication page | 797a072c55d23861a4ee1a776d25dbfdf46f16ae01efb3ccd2567dccd4cba625 |
| Manifest | 74002f1f3b087aa817ac0201953c35c22f97cc606feda5ddce93ca0da69cf338 |
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 | wCfgDKXNdca+puPkH5c5kU2fEUIYrqBAlLCdfpVOpjhV380rF9rXJW1Em+/G7l4NvFZuwntQXpc1Epxw9RxbAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:32.128981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004138observed 797a072c55d23861a4ee1a776d25dbfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.994191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004138/manifest.jsonobserved 74002f1f3b087aa817ac0201953c35c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.982063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004138/publication.mdobserved 6807ab88e2a5880b44a4d8ba21d30e37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.968914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004138/publication.txtobserved 16f364e087e8184381c49b738af4ec0c...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. |
|---|