Pith Number

pith:FL6IPMK4

pith:2018:FL6IPMK4WBJ45QEKNIYO6TSQLF

not attested not anchored not stored refs pending

Social Physics: Uncovering Human Behaviour from Communication

Kimmo Kaski, Kunal Bhattacharya

arxiv:1804.04907 v1 · 2018-04-13 · 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{FL6IPMK4WBJ45QEKNIYO6TSQLF}

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	2026-05-18T00:18:34.662595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2afc87b15cb053cec08a6a30ef4e50594a3c8f502b571185e941f9296e7e9e42

Aliases

arxiv: 1804.04907 · arxiv_version: 1804.04907v1 · doi: 10.48550/arxiv.1804.04907 · pith_short_12: FL6IPMK4WBJ4 · pith_short_16: FL6IPMK4WBJ45QEK · pith_short_8: FL6IPMK4

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/FL6IPMK4WBJ45QEKNIYO6TSQLF \
  | 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: 2afc87b15cb053cec08a6a30ef4e50594a3c8f502b571185e941f9296e7e9e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04beb1057c7208bf431264b4f5884c020c699cda9006fd1d60c989742137aa1",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-04-13T12:08:31Z",
    "title_canon_sha256": "4d62003d984ba9ea8296ad7813a35cb9912e5f245706608e1faaad30ec200cc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04907",
    "kind": "arxiv",
    "version": 1
  }
}