OT-2026-000004683
Publication integrity record
Bellows cup vacuum gripper, plant vacuum fed, pressure verified, vented before set down, plastic cups
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-2026-000004683) never changes.
Identity and time
| Publication number | OT-2026-000004683 · never reused |
|---|---|
| Internal UUID | 01a0a920-0b11-7972-a8e0-0626397032c9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:44.628428Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 551c1966f01a0d04fb58823f55fc779573211097e37f2c5ed7a79f29a77667f2 |
|---|---|
| Markdown | d16422672fe2e63f70592a6846dc9ce9b7712853297e4080edeb84793e4fca9e |
| Publication page | 19e3be3a5d53de7c4295b99034eb8cedaa9ce1905709d2ddca35f624afb458d5 |
| Manifest | a971720ee314f52a29d1972734803946b9b883ba93292e82ab4e79df19ba6e16 |
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 | WLxz+e/JuC2xR+sMEwg2qfqoKnTCp9fDQkysNx5s/MWj3mgiEBwUBYOHgz4nIuMYjFhLJUvCl6Sdemveh77EAg== |
| 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
| 2026-09-16T07:40:29.944035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004683observed 19e3be3a5d53de7c4295b99034eb8ced...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:29.930513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004683/manifest.jsonobserved a971720ee314f52a29d1972734803946...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.918782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004683/publication.mdobserved d16422672fe2e63f70592a6846dc9ce9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.907060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004683/publication.txtobserved 551c1966f01a0d04fb58823f55fc7795...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. |
|---|