OT-2026-000004619
Publication integrity record
Vacuum cup gripper, three zone face, plant vacuum fed, contact triggered, rubber cups, flat form
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-2026-000004619) never changes.
Identity and time
| Publication number | OT-2026-000004619 · never reused |
|---|---|
| Internal UUID | 01a0a91d-e97c-7b89-813c-45684eabe9f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:24.959429Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004619 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5538d4f13840ea702fb0433edbe0a62b0b3340a199f60d8f7d5eec9ca6b59888 |
|---|---|
| Markdown | 7edea3d3c5bd1089cb5e83bbaa377545cbc45d759b671cdb13c59000990dd162 |
| Publication page | 679badcdcbaad36284e13991e33bc3156d39688e1e8c2c85b12958400897389f |
| Manifest | eda14f3c7966540258e6390c6cdeac4e2637ca895dfff39dfcf295878d31f589 |
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 | v+wEqKKKXUFuZn5WZb76a6hZ+RAn3gzOZStT52nscwIIzlp5t1+r/qw5sl1h/bUEiuPBgw874XiyCVeL2A4ZAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:08.424297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004619observed 679badcdcbaad36284e13991e33bc315...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:08.411121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004619/manifest.jsonobserved eda14f3c7966540258e6390c6cdeac4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.398910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004619/publication.mdobserved 7edea3d3c5bd1089cb5e83bbaa377545...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.386585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004619/publication.txtobserved 5538d4f13840ea702fb0433edbe0a62b...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. |
|---|