{
  "name": "HBM Timeline",
  "url": "https://eyesonflash.com/timelines/hbm/",
  "creator": "Eyes on Flash",
  "rights": "All rights reserved. Copyright Sean Webster, Eyes on Flash (https://eyesonflash.com). You may read these files and link to them; do not copy, republish or redistribute them without written permission. Each figure comes from the source named on its row.",
  "dateModified": "2026-10",
  "about": "One row per sourced value. Each row names the source it was read from; a value no source publishes has no row. The date is where the timeline places the record: its earliest source, not the date of each value.",
  "columns": [
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    "record_id",
    "label",
    "maker",
    "date",
    "measure",
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    "bound",
    "derived",
    "teardown",
    "source_id",
    "source_kind",
    "source_title",
    "source_publisher",
    "source_url",
    "source_page"
  ],
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