OT-2026-000021997
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000021997) never changes.
Identity and time
| Publication number | OT-2026-000021997 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-77bb-8750-00808c7062b6 · 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-2026-000021997 |
| Status | PUBLIC |
Content hashes
| Canonical text | f29f22179cb9f20aa48eb209f4a13f5650cc5dc0d8c1d657cd3bd0d35ce6199f |
|---|---|
| Markdown | 04bcbbb8aa6a15bfcc991396a57a3effc108c871997158e363bfc866738db1ec |
| Publication page | a1c3b831522c3548c7b2d29d6af76da32d946422a08a8378c7af7d2e783d14ff |
| Manifest | 023fb00ad689d17909c14fd5f35e6a203312f86a3114fca4f001413ca68b153f |
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 | PufNrDcSVHr9420lN8Xe5mP/fGHptFbwVGYE9eGD0HZUd/gXfoS9W09T+gEI3GCmh0dDOeqrN+HZOHG33R9/CA== |
| 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
| 2026-09-17T11:54:40.512751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021997observed a1c3b831522c3548c7b2d29d6af76da3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:40.493168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021997/manifest.jsonobserved 023fb00ad689d17909c14fd5f35e6a20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.476278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021997/publication.mdobserved 04bcbbb8aa6a15bfcc991396a57a3eff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.460206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021997/publication.txtobserved f29f22179cb9f20aa48eb209f4a13f56...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. |
|---|