OT-2026-000029921
Publication integrity record
Three cup vacuum gripper, three outlet manifold, 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-2026-000029921) never changes.
Identity and time
| Publication number | OT-2026-000029921 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7edf-810f-c3856b284ff7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029921 |
| Status | PUBLIC |
Content hashes
| Canonical text | d22a9094a6247f0a95dae89222adf929d6866f352f109dd82e970f36909a39e6 |
|---|---|
| Markdown | 33333fb589672471cbe13bdf8635f47b260db569de85f6c39a599482c9b724cf |
| Publication page | ddc4e71c96a15e3a8b7c11dd70962a10cbbfc3dbe48ce4570fba5b7c0b140e6e |
| Manifest | ef621aa6ed11876eee8b4854fe7ae2553aaedb6eec42b8c4d0fcd8657fc9c077 |
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 | 9b2WOeJqomzb4qZrk3AgmDT2sOpred4Bw1ZQ+JL4RcI7NMtVNOYiObvstpGPjfdqLl8qyyE8KKpot4jj4BKoCQ== |
| 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
| 2026-09-17T11:38:37.716388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029921observed ddc4e71c96a15e3a8b7c11dd70962a10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:37.701222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029921/manifest.jsonobserved ef621aa6ed11876eee8b4854fe7ae255...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:37.685381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029921/publication.mdobserved 33333fb589672471cbe13bdf8635f47b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:37.668182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029921/publication.txtobserved d22a9094a6247f0a95dae89222adf929...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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