Pith Number

pith:4DFNURNS

pith:2009:4DFNURNSP5CPTL7IBDMV4QJ3MJ

not attested not anchored not stored refs pending

The Importance of Disagreeing: Contrarians and Extremism in the CODA model

Andr\'e C. R. Martins, Cleber D. Kuba

arxiv:0901.2737 v1 · 2009-01-18 · physics.soc-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{4DFNURNSP5CPTL7IBDMV4QJ3MJ}

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	2026-05-18T04:26:01.602070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0cada45b27f44f9afe808d95e413b6253115eefcbcc47cce94154e061f0f5e1

Aliases

arxiv: 0901.2737 · arxiv_version: 0901.2737v1 · doi: 10.48550/arxiv.0901.2737 · pith_short_12: 4DFNURNSP5CP · pith_short_16: 4DFNURNSP5CPTL7I · pith_short_8: 4DFNURNS

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/4DFNURNSP5CPTL7IBDMV4QJ3MJ \
  | 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: e0cada45b27f44f9afe808d95e413b6253115eefcbcc47cce94154e061f0f5e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348d0c0cb26de7bd72efd68c1a314997380905993dbcb18dcb7091a39f39c3e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-01-18T21:13:11Z",
    "title_canon_sha256": "442db5a6f8536639362cbbb9a2c9e9fd1ca39c201cec2313d268b2df9d9f54e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2737",
    "kind": "arxiv",
    "version": 1
  }
}