OT-2026-000021537
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-2026-000021537) never changes.
Identity and time
| Publication number | OT-2026-000021537 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7da0-b16e-4450f14210ae · 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-2026-000021537 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e4a192f8d0d7ef5b75043b9eaac38eefcb46af1520fbf87ed54041be6a17bd3 |
|---|---|
| Markdown | 6d1168866aec946cba8257a1dddcb17611cbc44759bece9024c3ed954824cf98 |
| Publication page | 856b041ae7ce675608a096a3900183524b89325edbe8462bb62b494962e12241 |
| Manifest | d572c645a920ecd8b7c9d163fd681677e66eb604af5c0c3507290ce586f4cf84 |
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 | J+dPWNAyEQLdM0j4cyPd1uDPFUbhkrDGm0V9XpHPMg3b6GMxZxXxESH3Fv8FKRP8DuChwyB/LnPiOr5mTthXDg== |
| 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
| 2026-09-17T11:54:50.118607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021537observed 856b041ae7ce675608a096a390018352...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:50.100002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021537/manifest.jsonobserved d572c645a920ecd8b7c9d163fd681677...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.081934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021537/publication.mdobserved 6d1168866aec946cba8257a1dddcb176...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.064134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021537/publication.txtobserved 2e4a192f8d0d7ef5b75043b9eaac38ee...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. |
|---|