Pith Number

pith:E672KYY6

pith:2013:E672KYY6REY3XLUPQKNWOIAGAU

not attested not anchored not stored refs pending

No complexity-stability relationship in natural communities

Charlotte Moritz, Claire Jacquet, Dominique Gravel, Fran\c{c}ois Massol, Lyne Morissette, Phillippe Archambault, Pierre Legagneux

arxiv:1307.5364 v1 · 2013-07-20 · 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{E672KYY6REY3XLUPQKNWOIAGAU}

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	2026-05-18T03:17:55.980485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27bfa5631e8931bbae8f829b6720060538556f3f838c1537934855c003a8afd2

Aliases

arxiv: 1307.5364 · arxiv_version: 1307.5364v1 · doi: 10.48550/arxiv.1307.5364 · pith_short_12: E672KYY6REY3 · pith_short_16: E672KYY6REY3XLUP · pith_short_8: E672KYY6

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/E672KYY6REY3XLUPQKNWOIAGAU \
  | 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: 27bfa5631e8931bbae8f829b6720060538556f3f838c1537934855c003a8afd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "320a68da33c53207559b283e4cfebd63892033c7b89bdb91d6bc130983303f49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-07-20T01:51:27Z",
    "title_canon_sha256": "f7c9d019a45a685a0579079b4fd3953657687f4b525027464e8bb2f11e0d7f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5364",
    "kind": "arxiv",
    "version": 1
  }
}