Pith Number

pith:V4CWLURE

pith:2016:V4CWLUREB5A7VRPI75H3JK3KWW

not attested not anchored not stored refs pending

Evidence for a Conserved Quantity in Human Mobility

Andrea Baronchelli, Laura Alessandretti, Piotr Sapiezynski, Sune Lehmann, Vedran Sekara

arxiv:1609.03526 v3 · 2016-09-12 · 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{V4CWLUREB5A7VRPI75H3JK3KWW}

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	2026-05-18T00:12:57.106626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af0565d2240f41fac5e8ff4fb4ab6ab59411d1e7747d138c8c0e5a4c98466805

Aliases

arxiv: 1609.03526 · arxiv_version: 1609.03526v3 · doi: 10.48550/arxiv.1609.03526 · pith_short_12: V4CWLUREB5A7 · pith_short_16: V4CWLUREB5A7VRPI · pith_short_8: V4CWLURE

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/V4CWLUREB5A7VRPI75H3JK3KWW \
  | 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: af0565d2240f41fac5e8ff4fb4ab6ab59411d1e7747d138c8c0e5a4c98466805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd925c5c987ecc5509df99500c6a97a99e710c56cf6c089ad658c873d0f296d2",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-09-12T18:57:37Z",
    "title_canon_sha256": "5441ccfac1f33528c1991adff9f238deb90aad0d2c2e4edf5673c82ccaadec7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03526",
    "kind": "arxiv",
    "version": 3
  }
}