OT-2026-000028004
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000028004) never changes.
Identity and time
| Publication number | OT-2026-000028004 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-740a-a28d-db45becca6e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028004 |
| Status | PUBLIC |
Content hashes
| Canonical text | e0670e76147af007a41cb7ca16c2419442b335174cdaf5ae684f5736f2fb926f |
|---|---|
| Markdown | e3bb1118f33689fb00bad12f4c96d27ceb4a6aea854bf52e334d884e4770c2e4 |
| Publication page | cf879c3361394d8ecb859d7bdeb4841ed6645fc70f6bcd1dcc2a0c364c24126a |
| Manifest | 80e91b53d7c1626fae33d0adcafbd24284e0837c7b474ff9ca821e338c05649f |
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 | 1uA6DGuM3sMdKeeLvNVSqHTa3sXPBVAxtPhdi6XKLq+SC0kM/+AxPDoDpPi+Cz96BT+Gaxz1p5wwsLtvaV8cAw== |
| 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
| 2026-09-17T11:42:13.024415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028004observed cf879c3361394d8ecb859d7bdeb4841e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:13.007739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028004/manifest.jsonobserved 80e91b53d7c1626fae33d0adcafbd242...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:12.988721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028004/publication.mdobserved e3bb1118f33689fb00bad12f4c96d27c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:12.971132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028004/publication.txtobserved e0670e76147af007a41cb7ca16c24194...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. |
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