OT-2026-000028468
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000028468) never changes.
Identity and time
| Publication number | OT-2026-000028468 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7115-a058-bbdd54e20a24 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028468 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57bfa27171f32809d808be25564563acef3b89f9f263be83befb3c01dc9d7160 |
|---|---|
| Markdown | ba873fede7ce68960600b2e311ed9bb73df49d627b69cbe28825544e572747a3 |
| Publication page | 53edc888ac34059812adbf6efa33af86ed105280b58ad23290155af5631c59b5 |
| Manifest | 7dcf4c4110ac1d842c755fb426e13a5318f9cabd41fd0d66f341854b91c01bd8 |
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 | hTGdUkObAs1b12KJPWYfGZpwQLDkbgbi760NBPuj2UkejuLIADKlQ22Y8ZitFQ9O8TfsK1ptPTtp8LiI6k8RDA== |
| 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
| 2026-09-17T11:40:36.689334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028468observed 53edc888ac34059812adbf6efa33af86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:36.671370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028468/manifest.jsonobserved 7dcf4c4110ac1d842c755fb426e13a53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.649681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028468/publication.mdobserved ba873fede7ce68960600b2e311ed9bb7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.632022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028468/publication.txtobserved 57bfa27171f32809d808be25564563ac...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. |
|---|