Pith Number

pith:LVJNUGZW

pith:2018:LVJNUGZW4OYFZ2UBGSG5KFJIQI

not attested not anchored not stored refs pending

Entropy evaluation sheds light on ecosystem complexity

Lorenzo Monacelli, Mattia Miotto

arxiv:1803.11524 v2 · 2018-03-30 · physics.bio-ph · cond-mat.stat-mech · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LVJNUGZW4OYFZ2UBGSG5KFJIQI}

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	2026-05-18T00:03:06.403255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d52da1b36e3b05cea81348dd51528822ed7ea1bbf1647f23e43141497ccf074

Aliases

arxiv: 1803.11524 · arxiv_version: 1803.11524v2 · doi: 10.48550/arxiv.1803.11524 · pith_short_12: LVJNUGZW4OYF · pith_short_16: LVJNUGZW4OYFZ2UB · pith_short_8: LVJNUGZW

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/LVJNUGZW4OYFZ2UBGSG5KFJIQI \
  | 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: 5d52da1b36e3b05cea81348dd51528822ed7ea1bbf1647f23e43141497ccf074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa254dcb8acd17d298cdfa994b117cc4bb7fa311b376973cf1d2f46c3e58716",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-03-30T15:58:22Z",
    "title_canon_sha256": "ab398a648a86749950c664a33df0bc596addb5e7b2bade341146854205e3206b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11524",
    "kind": "arxiv",
    "version": 2
  }
}