OT-2026-000004487
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, ejector fed, pressure verified, 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-2026-000004487) never changes.
Identity and time
| Publication number | OT-2026-000004487 · never reused |
|---|---|
| Internal UUID | 01a0a919-a663-7c5a-b0f3-2cf384718493 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:45.637787Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004487 |
| Status | PUBLIC |
Content hashes
| Canonical text | 271b709162e19d18030f7e124b3a8aa253b62365936d0385520dcfb6798f7051 |
|---|---|
| Markdown | 2fa62ff497271c6616235d2bbd8f64bf7e5a6b97bad6161ed2fa1d47ff521736 |
| Publication page | 6acf74f48822bf83135b7d92136d656fe91feac3036f8f7e68187b65170b9437 |
| Manifest | 7ca5242060d36489fdca66522f47530838dd1eefa20af8ba18fd1eac1a69e9ec |
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 | l7YptkyhiOR7QPKdMTvCsS5Rbo7+F6AAKLyD/zDkz3vULcQ+58vKnwR36bh6tKidqZHrrgUDs20hGFLXfy0ADA== |
| 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
| 2026-09-16T07:30:22.214147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004487observed 6acf74f48822bf83135b7d92136d656f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:22.201117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004487/manifest.jsonobserved 7ca5242060d36489fdca66522f475308...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:22.187395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004487/publication.mdobserved 2fa62ff497271c6616235d2bbd8f64bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:22.175830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004487/publication.txtobserved 271b709162e19d18030f7e124b3a8aa2...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. |
|---|