OT-2026-000021529
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-2026-000021529) never changes.
Identity and time
| Publication number | OT-2026-000021529 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7cbc-b441-a32855fe1543 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021529 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfdebab17fd0e59a57c6bec67b88c937c3eabf37e8bc916cb53c6cf87cb8e888 |
|---|---|
| Markdown | b87606e6e875037acdef7d444c98490e8383410437da58c39e736bdae64a6434 |
| Publication page | 9ab1bfbeea0cb34412a6eca2fb745e765d316d5e09707779359736df5d447f45 |
| Manifest | 0948b169d7a5f0478ea0f6818bde052bca04425127ea38607f78cc7fa19f8f69 |
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 | 9JW6zeiPSz1D+Jw50gK8uPMv8zXFI3VQXpT3j3vR3Ecci7BpUnokM3me66uZpuFCEZJQToc64zBaWepvDq6zBA== |
| 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
| 2026-09-17T11:55:26.948876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021529observed 9ab1bfbeea0cb34412a6eca2fb745e76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:26.929045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021529/manifest.jsonobserved 0948b169d7a5f0478ea0f6818bde052b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.911460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021529/publication.mdobserved b87606e6e875037acdef7d444c98490e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.893257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021529/publication.txtobserved bfdebab17fd0e59a57c6bec67b88c937...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. |
|---|