Pith Number

pith:3WTPC4ZK

pith:2019:3WTPC4ZKNIUGQ7YO5TY5W64WMZ

not attested not anchored not stored refs pending

Detecting individual internal displacements following a sudden-onset disaster using time series analysis of call detail records

Jesper Dejby, Linus Bengtsson, Maximilian Albert, Tracey Li, Veronique Lefebvre

arxiv:1908.02377 v1 · 2019-08-06 · 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{3WTPC4ZKNIUGQ7YO5TY5W64WMZ}

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	2026-07-04T23:52:08.202663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda6f1732a6a28687f0eecf1db7b96666ee525a32d77789d0ea4d169137d788e

Aliases

arxiv: 1908.02377 · arxiv_version: 1908.02377v1 · doi: 10.48550/arxiv.1908.02377 · pith_short_12: 3WTPC4ZKNIUG · pith_short_16: 3WTPC4ZKNIUGQ7YO · pith_short_8: 3WTPC4ZK

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/3WTPC4ZKNIUGQ7YO5TY5W64WMZ \
  | 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: dda6f1732a6a28687f0eecf1db7b96666ee525a32d77789d0ea4d169137d788e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf0067799aa40bb583db37b3aeade871a041636f00c0122a6065ad1e480af85",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-08-06T21:55:03Z",
    "title_canon_sha256": "24c0aa50b58e817c8d35056213ea076e298dd777e3eadff1ae8fd4bba4568e1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02377",
    "kind": "arxiv",
    "version": 1
  }
}