OT-2026-000042420
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down
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-2026-000042420) never changes.
Identity and time
| Publication number | OT-2026-000042420 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-7921-a322-8e062815ab70 · 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-2026-000042420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7679cc25cd0e0ebdaef860aba8924a1f32a30712dad388d95e26c59eacf84fa9 |
|---|---|
| Markdown | 923218fdeda62d722e29f82685c6c8616329b65f1de7b11807f0a1222b251bab |
| Publication page | b64fb659b58a16579515b9c58296ee96e7b2fb919d6b0df08248052e0a38f7fd |
| Manifest | d6ab1e340c3d1713239ae08fb10235d6bc291e9c4d6ce26451ae79fc384dc047 |
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 | aG4TFz63MxuQgARP8P03KTY80dqN64fyqyuM0BBYQzFtNl8DKe6Y7oWpwWwFw7utvkVUsuO2TJEyv8tCF7f2Ag== |
| 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
| 2026-09-17T11:16:13.159576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042420observed b64fb659b58a16579515b9c58296ee96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:13.142138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042420/manifest.jsonobserved d6ab1e340c3d1713239ae08fb10235d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:13.122393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042420/publication.mdobserved 923218fdeda62d722e29f82685c6c861...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:13.103898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042420/publication.txtobserved 7679cc25cd0e0ebdaef860aba8924a1f...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. |
|---|