Pith Number

pith:7MMQ2VAV

pith:2009:7MMQ2VAVIMI6MS7VWAAZ6CKHQF

not attested not anchored not stored refs pending

Statistical mechanics of ecosystem assembly

J.A. Capitan, J.A. Cuesta, J. Bascompte

arxiv:0903.2691 v2 · 2009-03-16 · 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{7MMQ2VAVIMI6MS7VWAAZ6CKHQF}

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	2026-05-18T02:14:28.101898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb190d54154311e64bf5b0019f0947816784e2e0e9f73d34197f9885a6c10a7c

Aliases

arxiv: 0903.2691 · arxiv_version: 0903.2691v2 · doi: 10.48550/arxiv.0903.2691 · pith_short_12: 7MMQ2VAVIMI6 · pith_short_16: 7MMQ2VAVIMI6MS7V · pith_short_8: 7MMQ2VAV

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/7MMQ2VAVIMI6MS7VWAAZ6CKHQF \
  | 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: fb190d54154311e64bf5b0019f0947816784e2e0e9f73d34197f9885a6c10a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793816e5bb3f0ad865ca99a81ef7e80901f9f63f24a09597cbdd5690dd480eee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-03-16T17:38:00Z",
    "title_canon_sha256": "93cb49b562699980de38bc6a97c406d1484ecc0f2647adc4325ba866a394f732"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2691",
    "kind": "arxiv",
    "version": 2
  }
}