OT-2026-000051830
Publication integrity record
Foam pad vacuum gripper, pump 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-2026-000051830) never changes.
Identity and time
| Publication number | OT-2026-000051830 · never reused |
|---|---|
| Internal UUID | 01a0ae83-7c84-7def-a4d6-56e691310757 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:27.829082Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051830 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a637404ff5563cbf5bc3a90955a0889de6ab1e54eda3de42da94567a26c956f |
|---|---|
| Markdown | 44bf406060d628d6569a5f3e21a277d545481bd81f51f3d58401349ec3e976fa |
| Publication page | 50b5b989c6c36def45d56809fbe3182eb0e14e48ffadc35d6d22e81e401d6d4d |
| Manifest | 1f0543e6b35d24b88e03da5f7f8f16cb732aaedbca5fb4ac585bd77f50fd9e6d |
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 | TquQqd84fnXyo3a+uP83LlFDvBeSj32wsgi/M1/nT0gwSGz+aO2mybYECgpeM4gpKBqC7KWgb9qC9dhEVd6HBg== |
| 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
| 2026-09-17T10:58:45.276284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051830observed 50b5b989c6c36def45d56809fbe3182e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:45.258181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051830/manifest.jsonobserved 1f0543e6b35d24b88e03da5f7f8f16cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:45.239950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051830/publication.mdobserved 44bf406060d628d6569a5f3e21a277d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:45.220723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051830/publication.txtobserved 1a637404ff5563cbf5bc3a90955a0889...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. |
|---|