Pith Number

pith:2CHELNEC

pith:2015:2CHELNEC7LV6HSEN6MIE2TN4UR

not attested not anchored not stored refs pending

Inferring Unusual Crowd Events From Mobile Phone Call Detail Records

Fabio Pinelli, Francesco Calabrese, Nitesh V. Chawla, Yiannis Gkoufas, Yuxiao Dong, Zubair Nabi

arxiv:1504.03643 v1 · 2015-04-14 · 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{2CHELNEC7LV6HSEN6MIE2TN4UR}

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	2026-05-18T02:18:50.314930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d08e45b482faebe3c88df3104d4dbca46fdd96eabf0fcec108c3f31b32d7da46

Aliases

arxiv: 1504.03643 · arxiv_version: 1504.03643v1 · doi: 10.48550/arxiv.1504.03643 · pith_short_12: 2CHELNEC7LV6 · pith_short_16: 2CHELNEC7LV6HSEN · pith_short_8: 2CHELNEC

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/2CHELNEC7LV6HSEN6MIE2TN4UR \
  | 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: d08e45b482faebe3c88df3104d4dbca46fdd96eabf0fcec108c3f31b32d7da46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52f754437136a95bf2f4f19000d2ed8f1ab056410a9de0c27ff8f254997e08d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-04-14T18:01:32Z",
    "title_canon_sha256": "0f8f6c2b5668a8da616956e1a52ed1c481f0c3b37b9894d08109ba4b5f1fdd29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03643",
    "kind": "arxiv",
    "version": 1
  }
}