OT-2026-000004548
Publication integrity record
Vacuum cup gripper, common isolation valve, three 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-2026-000004548) never changes.
Identity and time
| Publication number | OT-2026-000004548 · never reused |
|---|---|
| Internal UUID | 01a0a91b-9ac9-7718-9275-a896f6a506ab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:53.739689Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004548 |
| Status | PUBLIC |
Content hashes
| Canonical text | d68220c18f2c416562eaa17ade2e33f2b7b7a1fe29700b3afa90b58528bedebb |
|---|---|
| Markdown | 43d1fae8e1938d2cd153f5b1ab6fad845677b0695175724c628a240852edafe2 |
| Publication page | e4067a7a1d66742b12e0c49410368182ed694afe81fbafeda8ed6b10adcc4a1d |
| Manifest | b7868cacaf93e32909955dd811ef763223d819c21a7bb520ef63f860dc85345a |
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 | sZslOyGz/awel4H2T240fWeN7bSELkxNP34tpgjBR4gl0/gQnJhJrsQoMydbXSzCYUAZMdKA0tgN4t61KBg4CA== |
| 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
| 2026-09-16T07:30:15.956187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004548observed e4067a7a1d66742b12e0c49410368182...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:15.943331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004548/manifest.jsonobserved b7868cacaf93e32909955dd811ef7632...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.930808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004548/publication.mdobserved 43d1fae8e1938d2cd153f5b1ab6fad84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.918691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004548/publication.txtobserved d68220c18f2c416562eaa17ade2e33f2...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. |
|---|