OT-2026-000005448
Publication integrity record
Vacuum cup gripper, four zone face, pump fed, 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-2026-000005448) never changes.
Identity and time
| Publication number | OT-2026-000005448 · never reused |
|---|---|
| Internal UUID | 01a0a939-560d-7d0b-a120-6c24662c35e6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:22.224438Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54317c3095add12b5175250a5b36089dc541374153041c09e58ba922d0f2c8c4 |
|---|---|
| Markdown | 2a3bb4a94235ee911c4e174ecb37a2106736d275ad07bba96fa837ea883b0433 |
| Publication page | 7ae4e71037ce299d6ed66fc408e4147ef32eda01fc7e7fc0221b87171858befe |
| Manifest | 63052e70a059532e4b5940169ec2925bdb912a9faac851ec645055c86a3a5e2e |
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 | y7WyqO2+ccXCT+8v7Ab9hxem4YsXZyiJO6C3PSXDJvHz2p8ADeYG/y45cHNefRYL4+VHWR9sypfm05PsDX7NAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:08.386644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005448observed 7ae4e71037ce299d6ed66fc408e4147e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:08.372321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005448/manifest.jsonobserved 63052e70a059532e4b5940169ec2925b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:08.234636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005448/publication.mdobserved 2a3bb4a94235ee911c4e174ecb37a210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:08.220512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005448/publication.txtobserved 54317c3095add12b5175250a5b36089d...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. |
|---|