Pith Number

pith:J37MRT5B

pith:2014:J37MRT5BQTENUFCZ4TNYHRDFIO

not attested not anchored not stored refs pending

Population spatialization and synthesis with open data

Ying Long, Zhenjiang Shen

arxiv:1409.0612 v1 · 2014-09-02 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J37MRT5BQTENUFCZ4TNYHRDFIO}

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	2026-05-18T02:43:46.502600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4efec8cfa184c8da1459e4db83c4654391a11764c1cadbed03a6c547785bdc90

Aliases

arxiv: 1409.0612 · arxiv_version: 1409.0612v1 · doi: 10.48550/arxiv.1409.0612 · pith_short_12: J37MRT5BQTEN · pith_short_16: J37MRT5BQTENUFCZ · pith_short_8: J37MRT5B

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/J37MRT5BQTENUFCZ4TNYHRDFIO \
  | 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: 4efec8cfa184c8da1459e4db83c4654391a11764c1cadbed03a6c547785bdc90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b9e3ee697cbdef15977122cde82508cb7354aecafebd6764e455aaa48ccf17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2014-09-02T06:32:39Z",
    "title_canon_sha256": "5a243745aea12b542602554361e36ce242b75146bf24c5c16ba166b110f298a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0612",
    "kind": "arxiv",
    "version": 1
  }
}