OT-2026-000003591
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, plant vacuum fed
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-2026-000003591) never changes.
Identity and time
| Publication number | OT-2026-000003591 · never reused |
|---|---|
| Internal UUID | 01a0a90a-7874-7122-8ca5-54fb6ce535f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:10.839626Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003591 |
| Status | PUBLIC |
Content hashes
| Canonical text | 75eda8a842ebf986d6071122d81dc70bc5cd30d14e0d43f28c9753ee6fe1529d |
|---|---|
| Markdown | 240662df587d4682b8d37cd626edab45b833e48c059ebc05d9704578b5fa2c7e |
| Publication page | aa421ed88931aaf08cfe006af6f69b86a998cdcdb5e2a7e45e3fcbc899ded086 |
| Manifest | 5228f61fe8392b0cfc8d62c8f26a139ec1b4c2a095a4b8f8599904c265870afb |
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 | N0NsN0564PILbhbAyGyNc63z70J3UfgDdHHWeTlcoKt4W7/5ylv9wcn1UHCx8LMGzzFOnVUkIJ5g8sqULvn4DA== |
| 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
| 2026-09-16T08:40:36.448530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003591observed aa421ed88931aaf08cfe006af6f69b86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:36.432128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003591/manifest.jsonobserved 5228f61fe8392b0cfc8d62c8f26a139e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:36.418174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003591/publication.mdobserved 240662df587d4682b8d37cd626edab45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:36.401653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003591/publication.txtobserved 75eda8a842ebf986d6071122d81dc70b...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. |
|---|