Pith Number

pith:HYMSDINP

pith:2019:HYMSDINPSD53F44HMEWIR4WZRY

not attested not anchored not stored refs pending

The nested structure of urban business clusters

Cl\'ementine Cottineau, Elsa Arcaute

arxiv:1905.05106 v1 · 2019-05-13 · 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{HYMSDINPSD53F44HMEWIR4WZRY}

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	2026-05-17T23:46:22.529864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e1921a1af90fbb2f387612c88f2d98e32150324e900c7c0d338d23ca5895b20

Aliases

arxiv: 1905.05106 · arxiv_version: 1905.05106v1 · doi: 10.48550/arxiv.1905.05106 · pith_short_12: HYMSDINPSD53 · pith_short_16: HYMSDINPSD53F44H · pith_short_8: HYMSDINP

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/HYMSDINPSD53F44HMEWIR4WZRY \
  | 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: 3e1921a1af90fbb2f387612c88f2d98e32150324e900c7c0d338d23ca5895b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb8ed5480be7bf73e06434bf1ac478161aaf3164efd812ce21da6fc71d707b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-05-13T15:50:41Z",
    "title_canon_sha256": "64e7e281715d3bfad4aa78d3da21ca0662a7c953a0035faeb0f88f1b6d9b67af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05106",
    "kind": "arxiv",
    "version": 1
  }
}