OT-2026-000004064
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, plant vacuum fed, pressure verified
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-2026-000004064) never changes.
Identity and time
| Publication number | OT-2026-000004064 · never reused |
|---|---|
| Internal UUID | 01a0a90e-1fdd-7ef8-839d-380fef2e10f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:10.303414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004064 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61533b8030bd5940077ace9ecb29c23432ef3d50feb3a60e2038a622703c049f |
|---|---|
| Markdown | f23e5581518b56ac37e9b679baefd1e9b37a450930b8f4076c1d35f9d0d1a076 |
| Publication page | 4afc104948ecb01d998b1b0e0b261f7c3a9be2c4a8b466f1bdc846911f148edd |
| Manifest | bedfab5a988073186196cac21d167ce56c7efd233109e30d01c6ee3e1c6dcd76 |
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 | DmFopnRPRoWSuyFz2YIolAfnVyLPKLfrIcDWsdQBjof2lxmg62AheqUEjhpWfE7r9TzayZG8CIs9Oap3/7zSBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:40:32.371190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004064observed 4afc104948ecb01d998b1b0e0b261f7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:32.218810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004064/manifest.jsonobserved bedfab5a988073186196cac21d167ce5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:32.205013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004064/publication.mdobserved f23e5581518b56ac37e9b679baefd1e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:32.191769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004064/publication.txtobserved 61533b8030bd5940077ace9ecb29c234...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. |
|---|