OT-2026-000021987
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000021987) never changes.
Identity and time
| Publication number | OT-2026-000021987 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7800-93be-c18f5a3a595f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021987 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90028044dadef264c4348fd7fb717e86910c172a32e579fd3cd70ab969efb2c0 |
|---|---|
| Markdown | c964b4858bd8d4a2afa3a7120077b7cc75b1b94baed455027a14eedec883973d |
| Publication page | 20ed01e9e491f53e0058160ea9f70ff1a04b968de3e5a7ab042c650e885b2745 |
| Manifest | d21aa608dd392c2bdb8228495d0f640b47af42dd239afb797e2a6a718f038bb7 |
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 | Yu5sLPI1DdH3HfFpvMG9kdsEAjhSUPzfgxZ+bOUzgu7UhiZsPZ9aR0pIYN1trq9gOSzH8k6fneaKaBu2lrVEAA== |
| 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
| 2026-09-17T11:54:39.728208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021987observed 20ed01e9e491f53e0058160ea9f70ff1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.712455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021987/manifest.jsonobserved d21aa608dd392c2bdb8228495d0f640b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.696850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021987/publication.mdobserved c964b4858bd8d4a2afa3a7120077b7cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.679577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021987/publication.txtobserved 90028044dadef264c4348fd7fb717e86...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. |
|---|