Pith Number

pith:2VWE57LU

pith:2018:2VWE57LUFYP2626XWUY3ADGRBW

not attested not anchored not stored refs pending

The k-core as a predictor of structural collapse in mutualistic ecosystems

Flaviano Morone, Gino Del Ferraro, Hern\'an A. Makse

arxiv:1811.00141 v1 · 2018-10-31 · nlin.AO · cond-mat.dis-nn · physics.bio-ph · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VWE57LUFYP2626XWUY3ADGRBW}

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	2026-05-18T00:01:48.101939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d56c4efd742e1faf6bd7b531b00cd10dbb08522d546d4af277c7122fe8ee63e4

Aliases

arxiv: 1811.00141 · arxiv_version: 1811.00141v1 · doi: 10.48550/arxiv.1811.00141 · pith_short_12: 2VWE57LUFYP2 · pith_short_16: 2VWE57LUFYP2626X · pith_short_8: 2VWE57LU

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/2VWE57LUFYP2626XWUY3ADGRBW \
  | 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: d56c4efd742e1faf6bd7b531b00cd10dbb08522d546d4af277c7122fe8ee63e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a009607265b3c2b79c83a7aaada4faf3213a0707407ce8be8d4ad655223f9412",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.bio-ph",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2018-10-31T22:31:19Z",
    "title_canon_sha256": "b06bd9e742d6e221d472bbe1a5245ee489b95c5187d8ea2187a77cefeb57507b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00141",
    "kind": "arxiv",
    "version": 1
  }
}