OT-2026-000020244
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000020244) never changes.
Identity and time
| Publication number | OT-2026-000020244 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7e58-88fc-5595f963c79f · 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-2026-000020244 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4935e96bcfadc536da548717bf540dde0e8442f99d7a3b9a9bf842e85ecb36f |
|---|---|
| Markdown | 030ee8fd0f19a6e34dc1708ef96eca5322ffb0a2b5633333696550413056a26f |
| Publication page | bacf9e522fe1ca0d2784b18367ea196b87c256fcfb9ea6e02918527a178e3f93 |
| Manifest | 52ba2fecb6942bf3eeca19188c2a2f195f5e08f9632f6bd1289ebbfd06b8cd9d |
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 | FJ6ymohFXBCwsh/W28MSacAV3dlrAx/EnYMs/SynlFSWYQQKVfXFzfsYwiJIjprNLSDM/PwxP7ED+gk2pmKhAg== |
| 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
| 2026-09-17T11:56:35.304906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020244observed bacf9e522fe1ca0d2784b18367ea196b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:35.286632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020244/manifest.jsonobserved 52ba2fecb6942bf3eeca19188c2a2f19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:35.269343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020244/publication.mdobserved 030ee8fd0f19a6e34dc1708ef96eca53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:35.250286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020244/publication.txtobserved f4935e96bcfadc536da548717bf540dd...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. |
|---|