Pith Number

pith:T2CFDY7L

pith:1998:T2CFDY7LG7GSGR6QXAOV6UO4LI

not attested not anchored not stored refs pending

Competing Species Dynamics: Qualitative Advantage versus Geography

Alexander Masselot, Bastien Chopard, Michel Droz, Serge Galam

arxiv:cond-mat/9812361 v1 · 1998-12-22 · cond-mat.dis-nn · adap-org · comp-gas · cond-mat.stat-mech · nlin.AO · nlin.CG · q-bio

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2CFDY7LG7GSGR6QXAOV6UO4LI}

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	2026-05-18T01:07:05.042716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e8451e3eb37cd2347d0b81d5f51dc5a37f5b24ab06a524b59917219c2c32d0e

Aliases

arxiv: cond-mat/9812361 · arxiv_version: cond-mat/9812361v1 · doi: 10.48550/arxiv.cond-mat/9812361 · pith_short_12: T2CFDY7LG7GS · pith_short_16: T2CFDY7LG7GSGR6Q · pith_short_8: T2CFDY7L

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/T2CFDY7LG7GSGR6QXAOV6UO4LI \
  | 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: 9e8451e3eb37cd2347d0b81d5f51dc5a37f5b24ab06a524b59917219c2c32d0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2c6819649345dcb94aea00441a1ca4979f3c70481ed2438e1ff0ace83a5f84",
    "cross_cats_sorted": [
      "adap-org",
      "comp-gas",
      "cond-mat.stat-mech",
      "nlin.AO",
      "nlin.CG",
      "q-bio"
    ],
    "license": "",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "1998-12-22T10:30:16Z",
    "title_canon_sha256": "6d216ff7a88f46ec7f6ad2e0ca02574f58a900a6a29c02168fadbd95b4b79b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9812361",
    "kind": "arxiv",
    "version": 1
  }
}