OT-2026-000021923
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021923) never changes.
Identity and time
| Publication number | OT-2026-000021923 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7b82-bce1-5ad215aad045 · 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-2026-000021923 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c72b47a7c58467373bc3ed482689c75330adbcdc425c5d451a133fd94659b2e |
|---|---|
| Markdown | ea5972130b903479c77e8ba28f57c2499aed5bd181517f58758482feb8e241ee |
| Publication page | 27f03d8e5516f8f1f1cad15f7b66b800c119f95b15c14849dd2dc34465e214eb |
| Manifest | bfa35f1f36c0a80e180d81ac464ab5f83fcf46e61d1c9b3a1138edb8e258af66 |
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 | BmZEVa7KX4BUlTKX7ltM5LeKWk2OSXHT+vzvrr8AZUBmgqj/fpuUuq5kUDHMERNvDE4zNeszfPymjQjHD1TaCQ== |
| 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
| 2026-09-17T11:54:29.932870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021923observed 27f03d8e5516f8f1f1cad15f7b66b800...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:29.913934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021923/manifest.jsonobserved bfa35f1f36c0a80e180d81ac464ab5f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.895731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021923/publication.mdobserved ea5972130b903479c77e8ba28f57c249...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.866028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021923/publication.txtobserved 5c72b47a7c58467373bc3ed482689c75...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. |
|---|