OT-2026-000020520
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000020520) never changes.
Identity and time
| Publication number | OT-2026-000020520 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7293-9c5d-132ad2e71dfb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a020e628815953593af6f8bacac96acbf4c0174a83a86c922babe2451e144bf |
|---|---|
| Markdown | 67a7292aeb7973b23f965386120f9d2bb67de19499ba0ed9156c6e17ba46f4f2 |
| Publication page | e8e09502e8e70cb3ed0121f1a771440f4812804b3429d98353925a1317c65474 |
| Manifest | f2f39bd22cc8488dc6c3ec960b06048cf5bfa2b9ef801ed06cf0c57fe87c86a2 |
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 | bK/9jZhIByiIjUPZn2U1rJqeCvZA9shdvdmFCQ0l6qhnsiZDKDRdm96qfPozxjNZq+0rW7O4cCnNkiqR+l9ADw== |
| 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
| 2026-09-17T12:00:29.358901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520observed e8e09502e8e70cb3ed0121f1a771440f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:29.337352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520/manifest.jsonobserved f2f39bd22cc8488dc6c3ec960b06048c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:29.317544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520/publication.mdobserved 67a7292aeb7973b23f965386120f9d2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:29.297392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520/publication.txtobserved 9a020e628815953593af6f8bacac96ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.377475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520observed e8e09502e8e70cb3ed0121f1a771440f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.357980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520/manifest.jsonobserved f2f39bd22cc8488dc6c3ec960b06048c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.337875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520/publication.mdobserved 67a7292aeb7973b23f965386120f9d2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.316895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020520/publication.txtobserved 9a020e628815953593af6f8bacac96ac...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. |
|---|