Pith Number

pith:FT5K2CJH

pith:2021:FT5K2CJHMZBKSOMP57XVRKB2BN

not attested not anchored not stored refs pending

Global Gridded Daily CO$_2$ Emissions

Biqing Zhu, Da Huo, Diego Guizzardi, Efisio Solazzo, Feifan Yan, Fr\'ed\'eric Chevallier, Greet Janssens-Maenhout, Hengqi Wang, Monica Crippa, Philippe Ciais, Pierre Gentine, Qiang Zhang, Steven J. Davis, Xinyu Dou, Yilong Wang, Zheng Bo, Zhu Deng, Zhu Liu

arxiv:2107.08586 v1 · 2021-07-19 · physics.ao-ph · econ.GN · q-fin.EC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FT5K2CJHMZBKSOMP57XVRKB2BN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:41:10.003718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cfaad09276642a9398fefef58a83a0b5e75626755e006a06c5084789f0e86eb

Aliases

arxiv: 2107.08586 · arxiv_version: 2107.08586v1 · doi: 10.48550/arxiv.2107.08586 · pith_short_12: FT5K2CJHMZBK · pith_short_16: FT5K2CJHMZBKSOMP · pith_short_8: FT5K2CJH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FT5K2CJHMZBKSOMP57XVRKB2BN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2cfaad09276642a9398fefef58a83a0b5e75626755e006a06c5084789f0e86eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01eb2529626f5d89ff464ab88d308bdfea26f539ba0b200bfff9691b5c125d52",
    "cross_cats_sorted": [
      "econ.GN",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2021-07-19T02:38:24Z",
    "title_canon_sha256": "cc7b42029046e812d95c61d085448570a0792de86925b62cd0935c6ffaad49d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08586",
    "kind": "arxiv",
    "version": 1
  }
}