OT-2026-000004793
Publication integrity record
Porous face vacuum gripper, four zone face, two outlet manifold, pump 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-2026-000004793) never changes.
Identity and time
| Publication number | OT-2026-000004793 · never reused |
|---|---|
| Internal UUID | 01a0a923-8713-7d0e-a6fe-19fe08544b0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:32.982094Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004793 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8bf5be57807038206daabbc7e33e3ffa663122d5f233257e6057ec2f1ccfe3e4 |
|---|---|
| Markdown | ff6c88332b894d7bc880870eaa38210d48b4be581d3ffcd16ace72e29ba27538 |
| Publication page | 49c58c9fc7695a2db065f38d326790cfb806f40953bc08b82573271722cd7879 |
| Manifest | 630de131b236095d70dcd6bf76a4ada7ee4767521b7504c116e2ff5ed368a9d1 |
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 | zCKO2HXjl1XlFzj0+GV5+1ibVzD3oLZ/+cfhd9qk9f6s0g2F23H3Ch48C6PvZZ5VyL78WTHu7HVP9G8g+pVJAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:18.429823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004793observed 49c58c9fc7695a2db065f38d326790cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:18.417512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004793/manifest.jsonobserved 630de131b236095d70dcd6bf76a4ada7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:18.404862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004793/publication.mdobserved ff6c88332b894d7bc880870eaa38210d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:18.392761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004793/publication.txtobserved 8bf5be57807038206daabbc7e33e3ffa...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. |
|---|