Pith Number

pith:YFAN2FDS

pith:2019:YFAN2FDS4I7ABYMOE6ID5KSKAO

not attested not anchored not stored refs pending

Beyond Activity Space: Detecting Communities in Ecological Networks

Catherine A. Calder, Christopher R. Browning, Wenna Xi

arxiv:1903.07649 v1 · 2019-03-18 · stat.AP · 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{YFAN2FDS4I7ABYMOE6ID5KSKAO}

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	2026-05-17T23:50:54.477640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c140dd1472e23e00e18e27903eaa4a0381c3166d7e071bdd785ef7160783382b

Aliases

arxiv: 1903.07649 · arxiv_version: 1903.07649v1 · doi: 10.48550/arxiv.1903.07649 · pith_short_12: YFAN2FDS4I7A · pith_short_16: YFAN2FDS4I7ABYMO · pith_short_8: YFAN2FDS

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/YFAN2FDS4I7ABYMOE6ID5KSKAO \
  | 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: c140dd1472e23e00e18e27903eaa4a0381c3166d7e071bdd785ef7160783382b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3303b931b2cc5f5421a03b7f275d80de8eb1ed97e3e2745661728393dc805412",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-03-18T18:20:01Z",
    "title_canon_sha256": "645579394eca892720b5300519e09f11469d4bb9e8dd2346fdcab7537ce8d367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07649",
    "kind": "arxiv",
    "version": 1
  }
}