OT-2026-000021147
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000021147) never changes.
Identity and time
| Publication number | OT-2026-000021147 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7b80-be5a-86c663a0a5ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021147 |
| Status | PUBLIC |
Content hashes
| Canonical text | 901390d1504cbe09dfca3f0ae516950528471822f42ddbde2a28820dd0a14366 |
|---|---|
| Markdown | 52d0f215e1f1919336b636a6db8db9b9d1e1b4f47c9fb2adff9352be2a1c3c36 |
| Publication page | aca4ec900675e8b41635a127fa79112578880c293fe3d1eaec9eafc43f9ea3b9 |
| Manifest | 16c0d9be1087db37d9d62840d1b25606773773b0dd63ea7a0847eec9607cdf94 |
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 | fmhEZx6R/fYTyNWQd6NYLgFz5lS0vr8gnKLgYQpWghItCtiq4h1EfitnX2v0BmK2BGcRA9EtMsyjZY/8gXYEDQ== |
| 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
| 2026-09-17T11:54:54.295015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021147observed aca4ec900675e8b41635a127fa791125...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:54.276446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021147/manifest.jsonobserved 16c0d9be1087db37d9d62840d1b25606...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.257125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021147/publication.mdobserved 52d0f215e1f1919336b636a6db8db9b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.238242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021147/publication.txtobserved 901390d1504cbe09dfca3f0ae5169505...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. |
|---|