OT-2026-000019431
Publication integrity record
Two bellows cup vacuum gripper, two zone face, 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-2026-000019431) never changes.
Identity and time
| Publication number | OT-2026-000019431 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7630-bcb5-01332bfa8541 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f927cfd4ff639898266597ee0342097f4df6204e5f26aca596c70ce2d5a16ff |
|---|---|
| Markdown | d439b8a8e415d5913e1eccf0425e4b8673cab0979869a676e82c12b6ebb60e35 |
| Publication page | b4943a8b8722ed2cd2fe3820c1c25b8ad3a5fa0c8d553d5e4546b4e3f617d0f2 |
| Manifest | e6bf15559cc60de7da11edec2c255de2a668c66d5a5db7a98b0f01eecb2ce41b |
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 | nTz9lg63LqgUAxdRqGQIR+n+Mi3G7LVIcJzVsyruXEhosx3zjMa+q0ipHEkrMuxdZ/G7TEyUPfiHTR7Of6x1DQ== |
| 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
| 2026-09-17T11:58:49.547728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019431observed b4943a8b8722ed2cd2fe3820c1c25b8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:49.529029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019431/manifest.jsonobserved e6bf15559cc60de7da11edec2c255de2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:49.513445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019431/publication.mdobserved d439b8a8e415d5913e1eccf0425e4b86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:49.493963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019431/publication.txtobserved 4f927cfd4ff639898266597ee0342097...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. |
|---|