OT-2026-000019499
Publication integrity record
Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000019499) never changes.
Identity and time
| Publication number | OT-2026-000019499 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7347-893e-23fdb207946c · 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-2026-000019499 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a6dfafe201fe98aabf2760ec971f58d93882fd7aeb88271bbbbb84def12efbf |
|---|---|
| Markdown | 3279b4d618799986eab2516f2b61aca2ae7259edf5ac27812d1cf58a7be617d5 |
| Publication page | 344e98ad1e1b182625c6cc1b19af031463a0ad6913dc0471ae64eff1d058c084 |
| Manifest | 031926b5c97fdfa0a016f037ef67c55481d462d3aa104b01eec834c15e44d69e |
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 | 0YsHzRc4p6Nml2gy8EhK5ENWfG8HbC9BIBFEjqRLReH8w7xYcY25c0vMtTZ3CT2VC14mb0TgJhfj8y1xZNXjBQ== |
| 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
| 2026-09-17T11:58:55.672519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019499observed 344e98ad1e1b182625c6cc1b19af0314...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:55.656397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019499/manifest.jsonobserved 031926b5c97fdfa0a016f037ef67c554...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.637930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019499/publication.mdobserved 3279b4d618799986eab2516f2b61aca2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.620762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019499/publication.txtobserved 8a6dfafe201fe98aabf2760ec971f58d...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. |
|---|