OT-2026-000004528
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, six outlet manifold, pump fed, pressure verified
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-2026-000004528) never changes.
Identity and time
| Publication number | OT-2026-000004528 · never reused |
|---|---|
| Internal UUID | 01a0a91a-f88c-73da-a236-dd4776d23c51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:12.207196Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004528 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6cd73f04080499d464b7340155eb79a4b4b4723363bc43523dc9c671c69efcde |
|---|---|
| Markdown | a506773d2e8c59f9312ff317033b1fb63a159d1b6726b122b6a778eefcdcaa87 |
| Publication page | ae3dcb6a343cb22d95dea1580051f981fef63f43651f565cf6fd4fcd52c9babc |
| Manifest | efecaf9ff6edb897026b436526c95d1d095b75ec96bdcca5a0af92608746a458 |
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 | u22Ks80r/kdSxCg2UJnGFNSZmKxDwNAc+LOmfAjomDA7MzY6wEe4tv9nzxBOT9iKEll1Fw2WCi7JEDfXRMhnAA== |
| 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
| 2026-09-16T07:30:18.121042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004528observed ae3dcb6a343cb22d95dea1580051f981...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:17.986456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004528/manifest.jsonobserved efecaf9ff6edb897026b436526c95d1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:17.970079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004528/publication.mdobserved a506773d2e8c59f9312ff317033b1fb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:17.955910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004528/publication.txtobserved 6cd73f04080499d464b7340155eb79a4...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. |
|---|