OT-2026-000090903
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
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-2026-000090903) never changes.
Identity and time
| Publication number | OT-2026-000090903 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7db7-8795-8cf384a43b68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090903 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6385021cb5cff4ed33b9d50188bf86c57d743dfe2e9ae4111ee05f9fc17c8252 |
|---|---|
| Markdown | dbcbf22dfccb286ead180ccc036491b1eed519f690c92ce3522c5968d3538925 |
| Publication page | eb52cfb7d10ffcbb7af6e0b7ece7b3c7b9e387ff90b11a19cd4902a9e20605c3 |
| Manifest | 15163f7d6191ac9914145cc12e8b204b7be375341f28cc93a54f94dcc42d7e09 |
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 | wO4CyTZm2wd8EauYJDTsYi6s2qlzA3ZlGWkVOcpCe8hJcv16bVKhPZYXhhsnosRcOhs2amcP71wRvYQw3XtFDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:06.487851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090903observed eb52cfb7d10ffcbb7af6e0b7ece7b3c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:06.470124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090903/manifest.jsonobserved 15163f7d6191ac9914145cc12e8b204b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.451937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090903/publication.mdobserved dbcbf22dfccb286ead180ccc036491b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.433646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090903/publication.txtobserved 6385021cb5cff4ed33b9d50188bf86c5...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. |
|---|