OT-2026-000004546
Publication integrity record
Porous face vacuum gripper, three stage ejector, pressure verified at each zone
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-2026-000004546) never changes.
Identity and time
| Publication number | OT-2026-000004546 · never reused |
|---|---|
| Internal UUID | 01a0a91b-8a1a-79e8-b3f4-346f2338f983 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:49.469478Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004546 |
| Status | PUBLIC |
Content hashes
| Canonical text | 984aa9144860be7bd6b13c3c13e935e164384c856bd811335eba30770dd855a0 |
|---|---|
| Markdown | d16368722f839f3c03b09d68f0c9e486c56a070b48417af55d1674fd2237dae7 |
| Publication page | ac0571f6b4ef009fa83284513405b17d50e037a5386330a72d474fcaee86f664 |
| Manifest | 970b926e58c3c8c54fc955708cdccf9009084040efeecfb479a7970e6d287575 |
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 | 5zdHvuodIDuLoc1hiFYVmW1AqbN+PDpbaPNvUepoBo9iOPbZ5hjb9IOMNsOXuUjRcFWcL0CBrPXu3VSR4DSGBg== |
| 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
| 2026-09-16T07:30:16.186053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004546observed ac0571f6b4ef009fa83284513405b17d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:16.172545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004546/manifest.jsonobserved 970b926e58c3c8c54fc955708cdccf90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.159403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004546/publication.mdobserved d16368722f839f3c03b09d68f0c9e486...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.147207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004546/publication.txtobserved 984aa9144860be7bd6b13c3c13e935e1...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. |
|---|