Pith Number

pith:ZNN27ERH

pith:2015:ZNN27ERHVQCPSWL3ZLFNAAPM4U

not attested not anchored not stored refs pending

Structured populations with distributed recruitment: from PDE to delay formulation

\`Angel Calsina, J\'ozsef Z. Farkas, Odo Diekmann

arxiv:1510.08624 v2 · 2015-10-29 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNN27ERHVQCPSWL3ZLFNAAPM4U}

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	2026-05-18T00:52:58.924913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb5baf9227ac04f9597bcacad001ece5101cd34600025228d7ec5de0158cc702

Aliases

arxiv: 1510.08624 · arxiv_version: 1510.08624v2 · doi: 10.48550/arxiv.1510.08624 · pith_short_12: ZNN27ERHVQCP · pith_short_16: ZNN27ERHVQCPSWL3 · pith_short_8: ZNN27ERH

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/ZNN27ERHVQCPSWL3ZLFNAAPM4U \
  | 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: cb5baf9227ac04f9597bcacad001ece5101cd34600025228d7ec5de0158cc702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a30174e2eba7453e0e6f765ceb3bb802228c549050bae8b0d00d60571a4a4953",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-29T10:15:22Z",
    "title_canon_sha256": "1281fdbbf27d1ca2bce6e3685a0b96006f186cf360745106a3ffe235545c5935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08624",
    "kind": "arxiv",
    "version": 2
  }
}