Pith Number

pith:WNZXOJNV

pith:2013:WNZXOJNVRA3O4K2EDLC4WQLAK3

not attested not anchored not stored refs pending

Evolution and non-equilibrium physics. A study of the Tangled Nature Model

Nikolaj Becker, Paolo Sibani

arxiv:1309.1837 v2 · 2013-09-07 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNZXOJNVRA3O4K2EDLC4WQLAK3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:45:04.768679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3737725b58836ee2b441ac5cb416056c4e202c605ecd2d7052df856f4e2afa5

Aliases

arxiv: 1309.1837 · arxiv_version: 1309.1837v2 · doi: 10.48550/arxiv.1309.1837 · pith_short_12: WNZXOJNVRA3O · pith_short_16: WNZXOJNVRA3O4K2E · pith_short_8: WNZXOJNV

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/WNZXOJNVRA3O4K2EDLC4WQLAK3 \
  | 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: b3737725b58836ee2b441ac5cb416056c4e202c605ecd2d7052df856f4e2afa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "434cc5e7f0928b7f22fed66af282680c3568feaffbbfaba304d93ee0c21406f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-09-07T08:26:35Z",
    "title_canon_sha256": "82eae04b2d6f3230f92153e21f52a2472448b19d5784ba933e65b48e6c5b668e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1837",
    "kind": "arxiv",
    "version": 2
  }
}