OT-2026-000020155
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed 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-2026-000020155) never changes.
Identity and time
| Publication number | OT-2026-000020155 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7c95-924c-0f503e9a0c07 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020155 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32e91454f55fa4e17594fe28678a83931b982bcb64ac3d46e6d6b7a3c65827b4 |
|---|---|
| Markdown | 78c85d2cff179d361c083222a21b8d8035d36108c836903617cdbd1cd3a00a73 |
| Publication page | ecaf6cc560157c7872c8b8a73c5d34fc19f99560e5bb32d0cea4c0032e4eefb0 |
| Manifest | d8bea39c893ac9a9652c9cc7edc501f24815eabb70c30950ee87f0b3d4fb4e4d |
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 | ilx2Y8XLcg24jjxuCD4QL+sTQM9FXZ183yl0NmuEbDBcLaPRBfF5II3l/apamJ/gPAEIqi1Na50Gvnr/9frBCw== |
| 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
| 2026-09-17T11:56:28.134602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020155observed ecaf6cc560157c7872c8b8a73c5d34fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:28.115316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020155/manifest.jsonobserved d8bea39c893ac9a9652c9cc7edc501f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:28.095501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020155/publication.mdobserved 78c85d2cff179d361c083222a21b8d80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:28.078078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020155/publication.txtobserved 32e91454f55fa4e17594fe28678a8393...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. |
|---|