OT-2026-000028896
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000028896) never changes.
Identity and time
| Publication number | OT-2026-000028896 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7e8c-9587-614d6578c7b9 · 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-2026-000028896 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d1a5cf08582280cbb72b0138232569d50c17053e5b11210db31df241b2debe1 |
|---|---|
| Markdown | 5d1ffc47cf20349cfcacd6957750505b28b64c8cbbcf44fa6d044afbe702ee4e |
| Publication page | f9715b0a681f1a267e4418e475250f231079b32e69a91d9ce45fcdae9529bbc1 |
| Manifest | 15ddd147527336847940dbd18218edabc11021b97590c8034f7ec2b331c137f2 |
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 | //o/2f0ZQVGDCX2CTa8Kf8ibVCiDJEAA0bwTDzs3ZHnKSN8F9Dvsjk5dF5QC8D3hCpAw77yeZg/sUbupngl9Dw== |
| 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
| 2026-09-17T08:20:16.529374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028896observed f9715b0a681f1a267e4418e475250f23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:16.507075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028896/manifest.jsonobserved 15ddd147527336847940dbd18218edab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.487434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028896/publication.mdobserved 5d1ffc47cf20349cfcacd6957750505b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.470982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028896/publication.txtobserved 8d1a5cf08582280cbb72b0138232569d...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. |
|---|