OT-2026-000005478
Publication integrity record
Porous face vacuum gripper, common isolation valve, six outlet manifold, plant vacuum fed, contact triggered
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-2026-000005478) never changes.
Identity and time
| Publication number | OT-2026-000005478 · never reused |
|---|---|
| Internal UUID | 01a0a93a-460d-78fb-8945-7e6336174688 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:23.664913Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005478 |
| Status | PUBLIC |
Content hashes
| Canonical text | f62e5ead94707980e5d7ad7021a3e6659e2470cbab8e7ad16f94ba6b30fd4d96 |
|---|---|
| Markdown | f5f739ebe354a1119e45f633e398bc1537a3f08e5a81cbcfbfd632c3c9c52245 |
| Publication page | fc15297baecb34101eb37bd02bf5af80f0636fb810060b15a6aae6dea2292c61 |
| Manifest | 9585383d73a91bad9b2802050ad65ccb3255cf7b9b3ab34ec1aeb17c8be27aba |
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 | 7iReQKIjJHg1ehTptOsyP/tgHHLAs+Z4w8jKbEaqb4IwVCD/6ey1kFFm7jcwk3367uEKaxq+dnD+AF7QfBZvCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:04.628173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005478observed fc15297baecb34101eb37bd02bf5af80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:04.489844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005478/manifest.jsonobserved 9585383d73a91bad9b2802050ad65ccb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.469011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005478/publication.mdobserved f5f739ebe354a1119e45f633e398bc15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.450276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005478/publication.txtobserved f62e5ead94707980e5d7ad7021a3e665...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. |
|---|