Pith Number

pith:APEQ53SN

pith:2013:APEQ53SN3D2LD22A54RSQ25SN4

not attested not anchored not stored refs pending

How are mortality rates affected by population density?

Bertrand M. Roehner, Lei Wang, Yijuan Xu, Zengru Di

arxiv:1306.5179 v1 · 2013-06-21 · 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{APEQ53SN3D2LD22A54RSQ25SN4}

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	2026-05-18T03:20:19.498990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03c90eee4dd8f4b1eb40ef23286bb26f34aace797e9c0ee47a014323fc93ebc5

Aliases

arxiv: 1306.5179 · arxiv_version: 1306.5179v1 · doi: 10.48550/arxiv.1306.5179 · pith_short_12: APEQ53SN3D2L · pith_short_16: APEQ53SN3D2LD22A · pith_short_8: APEQ53SN

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/APEQ53SN3D2LD22A54RSQ25SN4 \
  | 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: 03c90eee4dd8f4b1eb40ef23286bb26f34aace797e9c0ee47a014323fc93ebc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd716fea1f1682f026b1ec465d07e3de2aafcf03a6d0843ca3efc63f08c540c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-06-21T15:48:49Z",
    "title_canon_sha256": "feba8aebbf616367e58326e9b0836bf6d7bf246e637d3125d03e413a5661c9b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5179",
    "kind": "arxiv",
    "version": 1
  }
}