OT-2026-000020227
Publication integrity record
Four 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-2026-000020227) never changes.
Identity and time
| Publication number | OT-2026-000020227 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7a62-bfac-f179ae3bafec · 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-2026-000020227 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2807180dc294916a6b77edd84d92ee7e93db511a9c4cb4e7e0a2eaac916343f |
|---|---|
| Markdown | 8d5895a433d658ae7b39577cc61b19ac9348d683d2f9826b448b78d7a8271fb5 |
| Publication page | 0eb310695dc895c1dd61c2640641e70ee3156eaf395f8eeb0c89d4af3205712a |
| Manifest | fbc615acdafb8354b1c811eb6c5497852efb6ace1253244566642fa35a3509d9 |
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 | zd7enfKCMyGho5Sq25B8cyozYPzDLIXBSl34eYmAb6MdQptfPFgUD7Z50DBXi8X+SYYLwEbiGU8ZVouGt1ffDw== |
| 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
| 2026-09-17T11:56:33.830876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020227observed 0eb310695dc895c1dd61c2640641e70e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.809802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020227/manifest.jsonobserved fbc615acdafb8354b1c811eb6c549785...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.789606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020227/publication.mdobserved 8d5895a433d658ae7b39577cc61b19ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.771263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020227/publication.txtobserved e2807180dc294916a6b77edd84d92ee7...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. |
|---|