Pith Number

pith:54MERZY2

pith:2019:54MERZY2VEZOPGEQJ34ISR6Z43

not attested not anchored not stored refs pending

Modelling transport provision in a polycentric mega city region

Florent Le N\'echet

arxiv:1909.02396 v1 · 2019-08-25 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54MERZY2VEZOPGEQJ34ISR6Z43}

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	2026-07-05T00:02:33.792100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef1848e71aa932e798904ef88947d9e6fab139bd95bc44e61aa2f078ff8c9fc6

Aliases

arxiv: 1909.02396 · arxiv_version: 1909.02396v1 · doi: 10.48550/arxiv.1909.02396 · pith_short_12: 54MERZY2VEZO · pith_short_16: 54MERZY2VEZOPGEQ · pith_short_8: 54MERZY2

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/54MERZY2VEZOPGEQJ34ISR6Z43 \
  | 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: ef1848e71aa932e798904ef88947d9e6fab139bd95bc44e61aa2f078ff8c9fc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fd85df5a30ad6dc25dfb29d7f90d4c313809c1701c57ff82fc401154b7f308",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2019-08-25T18:55:10Z",
    "title_canon_sha256": "bc82929001361cb6ef577201095b52c9db940a04a322a450e694f02c41c0dc09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02396",
    "kind": "arxiv",
    "version": 1
  }
}