Pith Number

pith:JM6R7G2O

pith:2015:JM6R7G2OGXHFPVH52XPY4NRRB3

not attested not anchored not stored refs pending

Two-state Markov-chain Poisson nature of individual cellphone call statistics

Didier Sornette (ETH Zurich), Ming-Xia Li (ECUST), Wei-Xing Zhou (ECUST), Wen-Jie Xie (ECUST), Zhi-Qiang Jiang (ECUST)

arxiv:1508.07503 v2 · 2015-08-29 · 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{JM6R7G2OGXHFPVH52XPY4NRRB3}

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	2026-05-18T01:03:20.304255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3d1f9b4e35ce57d4fdd5df8e36310ef2f16d70678634019208a2c2d48ff4a1

Aliases

arxiv: 1508.07503 · arxiv_version: 1508.07503v2 · doi: 10.48550/arxiv.1508.07503 · pith_short_12: JM6R7G2OGXHF · pith_short_16: JM6R7G2OGXHFPVH5 · pith_short_8: JM6R7G2O

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/JM6R7G2OGXHFPVH52XPY4NRRB3 \
  | 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: 4b3d1f9b4e35ce57d4fdd5df8e36310ef2f16d70678634019208a2c2d48ff4a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a690a1dd0b39da69de8871b999e31d2d4296de0522a8c6e479e4d7f850c5e20e",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-08-29T20:24:36Z",
    "title_canon_sha256": "b5768a201dd9a839272397fa7b8e288ad68ac9d906df913a7c5bca0fd22a14fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07503",
    "kind": "arxiv",
    "version": 2
  }
}