Pith Number

pith:5N57O6KQ

pith:2014:5N57O6KQRDKXSSYVRNRIVCKQSD

not attested not anchored not stored refs pending

Quantifying long-term evolution of intra-urban spatial interactions

Der-Horng Lee, Jian Gang Jin, Kay W. Axhausen, Lijun Sun, Manuel Cebrian

arxiv:1407.0145 v3 · 2014-07-01 · 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{5N57O6KQRDKXSSYVRNRIVCKQSD}

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	2026-05-18T02:32:45.960117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb7bf7795088d5794b158b628a895090e63cf5efb8e4bea228ae9cca55ee86a1

Aliases

arxiv: 1407.0145 · arxiv_version: 1407.0145v3 · doi: 10.48550/arxiv.1407.0145 · pith_short_12: 5N57O6KQRDKX · pith_short_16: 5N57O6KQRDKXSSYV · pith_short_8: 5N57O6KQ

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/5N57O6KQRDKXSSYVRNRIVCKQSD \
  | 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: eb7bf7795088d5794b158b628a895090e63cf5efb8e4bea228ae9cca55ee86a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "683758de9cef9bc1b139e492166511283ab5cd33a2554cb76ae04185dae286b1",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-07-01T08:56:54Z",
    "title_canon_sha256": "12f95f8c3bf7429759c37d86f44c57200d06a510bbb9b0ff480fc6bbe29a7592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0145",
    "kind": "arxiv",
    "version": 3
  }
}