OT-2026-000041665
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000041665) never changes.
Identity and time
| Publication number | OT-2026-000041665 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a0-7675-bdf1-33f688fef119 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041665 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ff6feaa6290f1072f4fcc5f8ec1a8460feebf7b0dbfa3d5a9eb33bf2ce500fb |
|---|---|
| Markdown | 83aa38e1e63bdebe3a4be8fe136487f0b6f57c3efc9de3304f7eef363d87b030 |
| Publication page | 072ea8779f934c9263bed018f7dad864df3e97467b8fb50e208fe8259f733b5c |
| Manifest | 86575983b3cbe62634ff384695283b79e3c208da07ad9943a21594d61d9734bc |
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 | yJhs7SY48xPMs8+ci79k/PJelOd/Tln3lQ8Jgm7C7zstXhFW3Sk/hCWZhSDMYoY3/5WeRaOgAPL9inCqcoYgDA== |
| 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
| 2026-09-17T11:16:28.262908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041665observed 072ea8779f934c9263bed018f7dad864...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:28.246386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041665/manifest.jsonobserved 86575983b3cbe62634ff384695283b79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:28.228761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041665/publication.mdobserved 83aa38e1e63bdebe3a4be8fe136487f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:28.209635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041665/publication.txtobserved 8ff6feaa6290f1072f4fcc5f8ec1a846...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. |
|---|