{
  "profile": "wrs-source-table-example-1",
  "title": "The first five additional rows from Hubble's Table 1",
  "source_url": "https://web.uvic.ca/~jwillis/teaching/astr405/reading/red_dist_Hubble_orig.pdf",
  "source_doi": "10.1073/pnas.15.3.168",
  "locator": "Table 1, printed p. 169; PDF page 3 in the seven-page scan",
  "distance_unit": "Mpc (million parsecs), historical estimates",
  "velocity_unit": "km/s, values printed in Table 1",
  "selection": "Read Table 1 from top to bottom and select the first five objects absent from the earlier WRS five-row example.",
  "rows": [
    {"object": "S. Mag.", "distance": 0.032, "velocity": 170},
    {"object": "L. Mag.", "distance": 0.034, "velocity": 290},
    {"object": "NGC 598", "distance": 0.263, "velocity": -70},
    {"object": "NGC 221", "distance": 0.275, "velocity": -185},
    {"object": "NGC 4736", "distance": 0.5, "velocity": 290}
  ],
  "scope": "Maintainer transcription example for a continuation task. No new astronomical measurements, fitted expansion law or independent reader test.",
  "failed_attempt": {"route": "Read the scan as text to recover Table 1", "outcome": "No table rows were returned in that text-only attempt.", "salvaged_work": "The page image remains readable. Compare the distance column, velocity signs and abbreviated names directly.", "limit": "This failed extraction does not show that other text-reading methods cannot work."},
  "next_step": "Check the five values against the page image, then take the next previously unrecorded row. Keep Table 1 values separate from the solar-motion-corrected Figure 1."
}