OT-2026-000004488
Publication integrity record
Vacuum cup gripper, three zone face, two stage ejector, pressure verified at each zone
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-2026-000004488) never changes.
Identity and time
| Publication number | OT-2026-000004488 · never reused |
|---|---|
| Internal UUID | 01a0a919-adaa-74ec-9d88-c2760f7f7672 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:47.621462Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004488 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5125be7107c98657652ac74c5b55b836efc18b52e706faf6bf9e60de3e501d6 |
|---|---|
| Markdown | 7660b47f351ac24f817705fe1bd2951481c095820dd3a14b3cea18cdd194878d |
| Publication page | f4fea43e37a6d86d9c47d97d7e1221a577da73afaaccf0a281676ba27959ccfd |
| Manifest | 8d0ad81cb42bb84326339135708b5c6277bcaaf496e88f77152e52932cb90c97 |
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 | XAUcXkv6yNOHyuLoHktb2cPduUqSVMBjqO897lDwybEw+zg/Yw3YiZKlRGuDL7qjZC2Wuftle5yYg2W6McVaBA== |
| 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
| 2026-09-16T07:30:22.162447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004488observed f4fea43e37a6d86d9c47d97d7e1221a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:22.151365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004488/manifest.jsonobserved 8d0ad81cb42bb84326339135708b5c62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:22.137560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004488/publication.mdobserved 7660b47f351ac24f817705fe1bd29514...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:22.122280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004488/publication.txtobserved d5125be7107c98657652ac74c5b55b83...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. |
|---|