OT-2026-000052357
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000052357) never changes.
Identity and time
| Publication number | OT-2026-000052357 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7065-b41b-ea05f2f79ddd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052357 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffcbe0dd23c2d9d2d78001edc04488f7261eb9825133b587e3dea3db52203e83 |
|---|---|
| Markdown | 75dec66d969d7681f03e602403352648c7ded52453db0791a848585887f6d36f |
| Publication page | de42775895f50a008fa39bff4d78977b30f3338dbcf0a6caccfa1a2245acf5b0 |
| Manifest | e6d4f5b5db9115c2421ef4f38e7f557071b1e9ef14290455f25185a6eb079150 |
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 | 82HsV2zvTVfTBY7E8S6UfBjVyF447YpO5dZ4nlmovu0kACVwxFOaqahJpRjDC+ejApDX7ArdaXIe+tS3GApsBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:23.491916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052357observed de42775895f50a008fa39bff4d78977b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:23.475231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052357/manifest.jsonobserved e6d4f5b5db9115c2421ef4f38e7f5570...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:23.447997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052357/publication.mdobserved 75dec66d969d7681f03e602403352648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:23.379688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052357/publication.txtobserved ffcbe0dd23c2d9d2d78001edc04488f7...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. |
|---|