OT-2026-000049369
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049369) never changes.
Identity and time
| Publication number | OT-2026-000049369 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7b-7fad-a4cd-df8fc59a02ba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049369 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c4688016a287995d4c53b2cb59578b0386af78b55f7f96a7532f96237bcc2f4 |
|---|---|
| Markdown | f621fa52d8fd48327fe0a06fd6fb7b39eb5cf4b60eb9a7428a130a646bbcdb04 |
| Publication page | bf6b3e59a29a44931d54f53505304d58afecca5f4c4336d3e0bfe5132980eecb |
| Manifest | 00d90a1f700a86fe1d22804b5e54377e646baf538561bc68fcdef21a144d34d2 |
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 | +Zgo0RxrXJe+++LzF2X8DjQYOwvwG4FFpVHHbqH5GCPUybB4Kd7I2tjVrgJkrNAsGc9FuB8Io4+GKeFh+RpMDw== |
| 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
| 2026-09-17T16:41:12.064783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369observed bf6b3e59a29a44931d54f53505304d58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:41:11.715074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369/manifest.jsonobserved 00d90a1f700a86fe1d22804b5e54377e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:41:11.393226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369/publication.mdobserved f621fa52d8fd48327fe0a06fd6fb7b39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:41:11.004954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369/publication.txtobserved 5c4688016a287995d4c53b2cb59578b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:10.223609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369observed bf6b3e59a29a44931d54f53505304d58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:10.203345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369/manifest.jsonobserved 00d90a1f700a86fe1d22804b5e54377e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:10.183792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369/publication.mdobserved f621fa52d8fd48327fe0a06fd6fb7b39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:10.164069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049369/publication.txtobserved 5c4688016a287995d4c53b2cb59578b0...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. |
|---|