Pith Number

pith:ECCXKD2B

pith:2025:ECCXKD2BHAS4VOS6S3XGRB6MQ6

not attested not anchored not stored refs pending

Origin-Destination Travel Demand Estimation: An Approach That Scales Worldwide, and Its Application to Five Metropolitan Highway Networks

Andrew Tomkins, Bin Yan, Carolina Osorio, Chao Zhang, Christopher Bian, Janny Zhang, Neha Arora, Willa Ng, Yechen Li

arxiv:2507.00306 v1 · 2025-06-30 · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECCXKD2BHAS4VOS6S3XGRB6MQ6}

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	2026-07-05T11:30:06.043987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2085750f413825caba5e96ee6887cc879da9ff12576f555b1126e091bca0ccd2

Aliases

arxiv: 2507.00306 · arxiv_version: 2507.00306v1 · doi: 10.48550/arxiv.2507.00306 · pith_short_12: ECCXKD2BHAS4 · pith_short_16: ECCXKD2BHAS4VOS6 · pith_short_8: ECCXKD2B

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/ECCXKD2BHAS4VOS6S3XGRB6MQ6 \
  | 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: 2085750f413825caba5e96ee6887cc879da9ff12576f555b1126e091bca0ccd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a21ee0d02812db9b8c33a9811948f843a1dc50678620fd4907542aaf7f0c2e5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2025-06-30T22:46:46Z",
    "title_canon_sha256": "9c5c1e6f95d4b402918ac165af6700cf0fdb248907aaa49d6341b9f7d3dbb905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00306",
    "kind": "arxiv",
    "version": 1
  }
}