OT-2026-000022541
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, sustained 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-2026-000022541) never changes.
Identity and time
| Publication number | OT-2026-000022541 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7cb2-985c-90b4b01089ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022541 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2499ea45d8cdaea8043ec543b59cd511661b93e34cc600d55632a3081bd30a50 |
|---|---|
| Markdown | 506ca8c556e5fa0b202da8accc9a352dd5823508b2111137a01941247e3f2296 |
| Publication page | 1403ce774d4e8a81c0860fdb0970b6c04a7cdd2216b1ed81349447861d484bf3 |
| Manifest | 0ae92f2008d0ffd18be7e963337b94f15425f6e8692911075d88472de91d2b6e |
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 | 2F7dc7AbfMfzrf2+yYRqpYcuaHVINVcnUjCPI7t7bkodRcAjGuwwnNCT7YuMFLkQaLotzHf1lqmBtBn4i+YIDw== |
| 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
| 2026-09-17T11:53:58.537137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022541observed 1403ce774d4e8a81c0860fdb0970b6c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:58.520706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022541/manifest.jsonobserved 0ae92f2008d0ffd18be7e963337b94f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:58.501706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022541/publication.mdobserved 506ca8c556e5fa0b202da8accc9a352d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:58.485031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022541/publication.txtobserved 2499ea45d8cdaea8043ec543b59cd511...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. |
|---|