{
 "schema_ver": "card1",
 "card_id": "PSL-BTC-SRC-coinmetrics",
 "card_type": "source",
 "criteria_ver": "c2",
 "legend_ver": "lg1",
 "published_at": "2026-09-22T06:24:34Z",
 "observed_at_max": "2026-09-19T23:58:50Z",
 "staleness_days": 2,
 "citing_allowed": true,
 "matrix": {
  "rows": [],
  "cols": [],
  "cells": []
 },
 "quotable": [
  "源 `coinmetrics` 的登记卡：角色 excluded；判据与口径逐字见 /btc/meta/criteria.json。",
  "Source card for `coinmetrics`: role excluded; judgement and caliber verbatim from /btc/meta/criteria.json."
 ],
 "labels": {},
 "citations": {
  "apa": "PSL. (2026). 源卡 coinmetrics [Source card coinmetrics]. PSL 链上计量系统. https://psl.antinel.com/btc/source/coinmetrics.html",
  "bibtex": "@misc{psl_btc_src_coinmetrics, title={源卡 coinmetrics}, author={PSL}, year={2026},\n howpublished={\\url{https://psl.antinel.com/btc/source/coinmetrics.html}},\n note={criteria_ver=c2; data as of 2026-09-19T23:58:50Z}}"
 },
 "source": "coinmetrics",
 "role": "excluded",
 "verification": "unverified:未核对（已出局：CC BY-NC 4.0 ＋ CSV 停更 2026-05-23）",
 "judgement": "README.md 逐字：\"Data is made available under the CC BY-NC 4.0 license.\"；\"The archives are updated daily.\"；Stability 逐字：\"We will try to keep the layout and file formats of this repository stable, but there is no guarantee. In particular, sets of available assets and metrics can be changed at any time.\"（原文见 https://github.com/coinmetrics/data）",
 "caliber": "TxCnt 是否含 coinbase：**文档未声明，本轮未能实测反推**（原因见 ⑤：CSV 停更）。CSV 字段共 32 个，含 TxCnt／TxTfrCnt／BlkCnt／FeeTotNtv／IssTotNtv／SplyCur（表头原文见 probe_evidence/coinmetrics_btc_csv_head.txt）。",
 "license": "★ CC BY-NC 4.0 —— 署名（BY）＋**禁止商业使用（NC）**。PSL 卡片若含任何商业用途，转述该源数值存在 NC 冲突 ⇒ 须由创始人决策，或改用付费授权。",
 "fetched_at": "2026-09-18",
 "integrity": {
  "algo": "sha256",
  "canonical": "json-sorted-compact-utf8",
  "scope": "card-self",
  "value": "96f50775c8e4628aacd527551469c8e4521a32e176b82d5269a9ae93a50bb269"
 }
}