Pith Number

pith:PDB6HWKJ

pith:2016:PDB6HWKJQPTKLWQHXCY7SAHUDX

not attested not anchored not stored refs pending

Urban Pulse: Capturing the Rhythm of Cities

Bruno Gon\c{c}alves, Cl\'audio T. Silva, Fabio Miranda, Harish Doraiswamy, Kai Zhao, Luc Wilson, Marcos Lage, Mondrian Hsieh

arxiv:1608.06949 v2 · 2016-08-24 · cs.CY · cs.GR · cs.SI · physics.data-an · 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{PDB6HWKJQPTKLWQHXCY7SAHUDX}

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	2026-05-18T00:27:04.841774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c3e3d94983e6a5da07b8b1f900f41dc68b103d3d9cd7f89ad956f38805d0e9

Aliases

arxiv: 1608.06949 · arxiv_version: 1608.06949v2 · doi: 10.48550/arxiv.1608.06949 · pith_short_12: PDB6HWKJQPTK · pith_short_16: PDB6HWKJQPTKLWQH · pith_short_8: PDB6HWKJ

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/PDB6HWKJQPTKLWQHXCY7SAHUDX \
  | 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: 78c3e3d94983e6a5da07b8b1f900f41dc68b103d3d9cd7f89ad956f38805d0e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b3f3139b303be94a2876d5bef5694cb47f0138fbc5d0d046110fe4a09ce2a29",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.SI",
      "physics.data-an",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2016-08-24T20:02:46Z",
    "title_canon_sha256": "1e0dafb98c6f230c652cd0de0127970c55f21e89b7961f9077ff5654a8fe09f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06949",
    "kind": "arxiv",
    "version": 2
  }
}