OT-2026-000030461
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030461) never changes.
Identity and time
| Publication number | OT-2026-000030461 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e503-7dd4-b2fb-1c1009dc6c3a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030461 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef5148a0fd0272320aa9d09aee75a5882b3c5a24bd20a9192e1eba390a1bdf1d |
|---|---|
| Markdown | a484d7764753aac6cde9afa668b5c989a136311c4d5bc63d56d06ea628607722 |
| Publication page | 90fb1ddb06b65d1abad91355d8ef0fd69a4930d3643bf35a4a9da8b90501e356 |
| Manifest | eb6aa3dc7f6e6e32df72d52da6a1d889bfcfdb0abe5a90636084b4ec78317c2a |
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 | cqOkC5GUIoXVO3TG8qhy3nBxdzapP1gS+F83U+5PWpInPFR1/he75V8NqmHqBn3ACKyNaR1qMsW3j4T8cGjGCQ== |
| 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
| 2026-09-17T11:38:12.416311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030461observed 90fb1ddb06b65d1abad91355d8ef0fd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:12.398134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030461/manifest.jsonobserved eb6aa3dc7f6e6e32df72d52da6a1d889...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:12.378493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030461/publication.mdobserved a484d7764753aac6cde9afa668b5c989...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:12.361238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030461/publication.txtobserved ef5148a0fd0272320aa9d09aee75a588...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. |
|---|