Pith Number

pith:U5ZXH2UF

pith:2012:U5ZXH2UFA3WCHJBQ2K7POTYQHY

not attested not anchored not stored refs pending

Competitively Coupled Maps and Spatial Pattern Formation

Bala Sundaram, Gregory Loftus, Timothy Killingback

arxiv:1204.2463 v2 · 2012-04-11 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5ZXH2UFA3WCHJBQ2K7POTYQHY}

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	2026-05-18T01:57:53.542871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77373ea8506ec23a430d2bef74f103e205e1f52310d1a61f9fb345f2ea507c0

Aliases

arxiv: 1204.2463 · arxiv_version: 1204.2463v2 · doi: 10.48550/arxiv.1204.2463 · pith_short_12: U5ZXH2UFA3WC · pith_short_16: U5ZXH2UFA3WCHJBQ · pith_short_8: U5ZXH2UF

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/U5ZXH2UFA3WCHJBQ2K7POTYQHY \
  | 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: a77373ea8506ec23a430d2bef74f103e205e1f52310d1a61f9fb345f2ea507c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da68ff58ef259576a375470c5716ab79e54466ee3ca8d87ec070534a471e1d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2012-04-11T14:40:21Z",
    "title_canon_sha256": "df4cfdc77732ae7b953e129a5802cf55a1c621e35a3051f1ba577ea6b758ac4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2463",
    "kind": "arxiv",
    "version": 2
  }
}