OT-2026-000030861
Publication integrity record
Single cup vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000030861) never changes.
Identity and time
| Publication number | OT-2026-000030861 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb5-75d2-92e9-c35aa79a87cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030861 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5e09a5abf431896534842a128b9c70907b492cdcb47169dc6b49d1d74aa893b |
|---|---|
| Markdown | 82949c80b1c66d9890b52d33cdc6e48db0c193794af876a4d9b5cea3f892d6d4 |
| Publication page | 9ffe057e6784ecb9af568ede3959eb6d66c9d4731f052ec764684b10f849a864 |
| Manifest | 675262ef9f96fd1c739c21b495b9c896b6ac7af91e791fd7eefb8518ddd6c50b |
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 | JTMSFy1h+g9VcunTZyG9DYjuy11Wj+8Ok0JEx6pNjNo+/lDGxtNtuBm1PmV2yRmBpUIZ/kv5PhhD9ZvqMmwMAA== |
| 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
| 2026-09-17T08:42:00.260799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030861observed 9ffe057e6784ecb9af568ede3959eb6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:42:00.071114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030861/manifest.jsonobserved 675262ef9f96fd1c739c21b495b9c896...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:59.819472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030861/publication.mdobserved 82949c80b1c66d9890b52d33cdc6e48d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:59.223163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030861/publication.txtobserved f5e09a5abf431896534842a128b9c709...fetched by grabo-systems from 34.44.131.203, 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. |
|---|