OT-2026-000020275
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, pulsed 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-2026-000020275) never changes.
Identity and time
| Publication number | OT-2026-000020275 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7a60-8a2e-c3eb6a2342a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020275 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a79c9a576a27d11538212732b74fafa4116f9bef2791391ac65bd74f135885f |
|---|---|
| Markdown | 99d42d50a07f51949071f8838ed7c390a6e146de8b3f295f5242f15f696c45c3 |
| Publication page | 4a3393ea04467863bd7a614e8ed415a40eccc54e8149114cd968f306a8ae9fad |
| Manifest | 78c107cea3ec2eea982f0308ce40b47d97c6966cc1588e34809e3315bc02d802 |
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 | qalqcU/iG+V+5WFxifaRy50wewZm2m0HZaPadCQWUPoy6lDnDqBwuPzMy4LtGvl7lZ5SN2jembu3LIvjyFu1AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:37.568718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020275observed 4a3393ea04467863bd7a614e8ed415a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:37.551307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020275/manifest.jsonobserved 78c107cea3ec2eea982f0308ce40b47d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.532277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020275/publication.mdobserved 99d42d50a07f51949071f8838ed7c390...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.511459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020275/publication.txtobserved 9a79c9a576a27d11538212732b74fafa...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. |
|---|