OT-2026-000028828
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000028828) never changes.
Identity and time
| Publication number | OT-2026-000028828 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7142-bb6e-5832fbcb8c7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028828 |
| Status | PUBLIC |
Content hashes
| Canonical text | a91844e5e6cda57320fab118fc06c51dd727a2c1dc92ddfdf8241ae4ebe7dafc |
|---|---|
| Markdown | c36cb747207f3c7435e86fc9704e1a40375d486f899377f7538a048c6b3fe264 |
| Publication page | 200f2294e86e5e701c25732136716e55dcd7b890970cb16c24af41e91c2e1649 |
| Manifest | 0cb530c347f35f9a07cfa87c259edc4e563380d6e1cf90830f5b0203fa477c28 |
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 | 9L/gzaCteU+2ia5Icr1+aa9Y6qIsh/M7ePwBiosLiZrVSzdw69CFgnpOh8Xuc1dImzC9va6gybsVhDkqRObbCw== |
| 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
| 2026-09-17T08:20:05.005254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028828observed 200f2294e86e5e701c25732136716e55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:04.986798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028828/manifest.jsonobserved 0cb530c347f35f9a07cfa87c259edc4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.965755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028828/publication.mdobserved c36cb747207f3c7435e86fc9704e1a40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.947110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028828/publication.txtobserved a91844e5e6cda57320fab118fc06c51d...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. |
|---|