Pith Number

pith:F3GGN33X

pith:2011:F3GGN33XJIFRF4KHW5DOMQSRM2

not attested not anchored not stored refs pending

Does Phylogenetic Proximity Explain Nestedness in Mutualistic Ecosystems?

Enrique Burgos, Horacio Ceva, Jos\'e Ignacio Alvarez-Hamelin, Laura Hern\'andez, R.P.J. Perazzo

arxiv:1109.3173 v3 · 2011-09-14 · 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{F3GGN33XJIFRF4KHW5DOMQSRM2}

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	2026-05-18T04:10:56.327224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ecc66ef774a0b12f147b746e6425166bbd003b61bbc4ca3929badc7807efa97

Aliases

arxiv: 1109.3173 · arxiv_version: 1109.3173v3 · doi: 10.48550/arxiv.1109.3173 · pith_short_12: F3GGN33XJIFR · pith_short_16: F3GGN33XJIFRF4KH · pith_short_8: F3GGN33X

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/F3GGN33XJIFRF4KHW5DOMQSRM2 \
  | 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: 2ecc66ef774a0b12f147b746e6425166bbd003b61bbc4ca3929badc7807efa97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d28769c63a9782ba71985dbaa25acb10b16fcbf86d70d5711f45de1beb9519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-09-14T19:27:28Z",
    "title_canon_sha256": "871b372543cd069d91307de5590f148d1d755631d1964f09822ce5e031c48ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3173",
    "kind": "arxiv",
    "version": 3
  }
}