Pith Number

pith:IIKDPNLE

pith:2024:IIKDPNLEKVM25X2RJBPQCGL4DG

not attested not anchored not stored refs pending

An entropy-based measurement for understanding origin-destination trip distributions: a case study of New York City taxis

Su Yeon Han, Yihong Yuan, Yuqin Jiang

arxiv:2401.17467 v2 · 2024-01-30 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIKDPNLEKVM25X2RJBPQCGL4DG}

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	2026-07-05T08:08:54.436104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

421437b5645559aedf51485f01197c198f6f7289c9c2d7528e77d4ec99803cc1

Aliases

arxiv: 2401.17467 · arxiv_version: 2401.17467v2 · doi: 10.48550/arxiv.2401.17467 · pith_short_12: IIKDPNLEKVM2 · pith_short_16: IIKDPNLEKVM25X2R · pith_short_8: IIKDPNLE

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/IIKDPNLEKVM25X2RJBPQCGL4DG \
  | 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: 421437b5645559aedf51485f01197c198f6f7289c9c2d7528e77d4ec99803cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dac49b307037f2b05a6f2a5482c1d89169abcf8825e2a829bd817ff604c4e14a",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2024-01-30T22:05:11Z",
    "title_canon_sha256": "9d3ed67e68fac55d20ec6a28d9311d3df9264559858de954dcda43d9706c8c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17467",
    "kind": "arxiv",
    "version": 2
  }
}