Pith Number

pith:KPCFHDND

pith:2012:KPCFHDNDQK2ZBKUOWHIOMOJGA5

not attested not anchored not stored refs pending

Extending physical chemistry to populations of living organisms. First step: measuring coupling strength

Bertrand M. Roehner, Zengru Di

arxiv:1212.6349 v1 · 2012-12-27 · physics.bio-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{KPCFHDNDQK2ZBKUOWHIOMOJGA5}

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	2026-05-18T03:37:40.056309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c4538da382b590aa8eb1d0e63926075e5ccde1378ab4f6ca62bf1491e26416

Aliases

arxiv: 1212.6349 · arxiv_version: 1212.6349v1 · doi: 10.48550/arxiv.1212.6349 · pith_short_12: KPCFHDNDQK2Z · pith_short_16: KPCFHDNDQK2ZBKUO · pith_short_8: KPCFHDND

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/KPCFHDNDQK2ZBKUOWHIOMOJGA5 \
  | 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: 53c4538da382b590aa8eb1d0e63926075e5ccde1378ab4f6ca62bf1491e26416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e7417d06067e5bd40560bbe7dcc5e450b35873bd1734cc96e4f5c23d9d4f8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-12-27T11:24:02Z",
    "title_canon_sha256": "df5075011c6797f2131a346e17026eb18b5be559e80653c98fe2f86bee589aee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6349",
    "kind": "arxiv",
    "version": 1
  }
}