Pith Number

pith:6CIWPIHU

pith:2013:6CIWPIHU2KORV2FDH7K6YUEKFN

not attested not anchored not stored refs pending

Species abundances and lifetimes: from neutral to niche-stabilized communities

Massimo Cencini, Simone Pigolotti

arxiv:1304.6226 v2 · 2013-04-23 · 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{6CIWPIHU2KORV2FDH7K6YUEKFN}

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	2026-05-18T03:13:12.523668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f09167a0f4d29d1ae8a33fd5ec508a2b4b7ec5d850d73091d4aeaea3c26c7acc

Aliases

arxiv: 1304.6226 · arxiv_version: 1304.6226v2 · doi: 10.48550/arxiv.1304.6226 · pith_short_12: 6CIWPIHU2KOR · pith_short_16: 6CIWPIHU2KORV2FD · pith_short_8: 6CIWPIHU

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/6CIWPIHU2KORV2FDH7K6YUEKFN \
  | 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: f09167a0f4d29d1ae8a33fd5ec508a2b4b7ec5d850d73091d4aeaea3c26c7acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3a88837dc15936913f029a655ad157a49d65342d6bb9ff4328142087bba881f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-04-23T10:46:05Z",
    "title_canon_sha256": "de04426bdd61c7f91947e914cd4eccd9bb8e2cd1509291ff47bf7784a804b097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6226",
    "kind": "arxiv",
    "version": 2
  }
}