Pith Number

pith:4VFAQAPP

pith:2019:4VFAQAPPDHHOATAA4GCQCY7N4D

not attested not anchored not stored refs pending

Soil and soil CO2 magnify greenhouse effect

Chengde Yu, Shenglei Fu, Shu Liu, Suli Li, Weixin Zhang, Yuanhu Shao, Zhifeng Shen

arxiv:1907.06044 v1 · 2019-07-13 · physics.geo-ph · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VFAQAPPDHHOATAA4GCQCY7N4D}

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	2026-05-17T23:40:38.448978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54a0801ef19cee04c00e1850163ede0f8be907939de961f0c7131bf2fddce23

Aliases

arxiv: 1907.06044 · arxiv_version: 1907.06044v1 · doi: 10.48550/arxiv.1907.06044 · pith_short_12: 4VFAQAPPDHHO · pith_short_16: 4VFAQAPPDHHOATAA · pith_short_8: 4VFAQAPP

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/4VFAQAPPDHHOATAA4GCQCY7N4D \
  | 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: e54a0801ef19cee04c00e1850163ede0f8be907939de961f0c7131bf2fddce23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44a18f7f00b6288bdb79bbf8d0cc355786f5e9c1faef400712266321994de42b",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-07-13T11:02:06Z",
    "title_canon_sha256": "b0bf6b0cdfde720e0cc7284cb5c0e069eceb1ec1b1a0217fb62ee395d0a5a27e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06044",
    "kind": "arxiv",
    "version": 1
  }
}