OT-2026-000052369
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-2026-000052369) never changes.
Identity and time
| Publication number | OT-2026-000052369 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7685-b0a8-66f9feaa6fe9 · 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-2026-000052369 |
| Status | PUBLIC |
Content hashes
| Canonical text | 834c6bbb6134e500fd96c58341604efc83eb810bd737016bcd2ba71f509280fa |
|---|---|
| Markdown | 67c7efc09f357b8fc27b9e48b7ad0d1fef3a1fc514b38149fe74c8fcf85a12b4 |
| Publication page | 5cc1e9af3cb20a161ab69c0cfc85432a8a9b961e4d97601cb212def12defe4f0 |
| Manifest | 422ae856b64df05fbc04f53b4484912d65c027b3e6ce31827eb7ca8bb1f1f0ef |
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 | YA1WA3IZdDzY8DwvRagGIBgTpMuEAV7uUpP5aWPwMXYNuuCGJb9ZjOKiA2BM815gs1/FrwnK9Bq5ihwHD0PxDA== |
| 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
| 2026-09-17T10:58:04.150911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052369observed 5cc1e9af3cb20a161ab69c0cfc85432a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:04.133371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052369/manifest.jsonobserved 422ae856b64df05fbc04f53b4484912d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:04.114298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052369/publication.mdobserved 67c7efc09f357b8fc27b9e48b7ad0d1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:04.094883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052369/publication.txtobserved 834c6bbb6134e500fd96c58341604efc...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. |
|---|