Pith Number

pith:IH42RIWO

pith:2014:IH42RIWOGJ2PEWP7T7KT2SWJEI

not attested not anchored not stored refs pending

Spatial patterns of close relationships across the lifespan

Hang-Hyun Jo, Jari Saram\"aki, Kimmo Kaski, Robin I. M. Dunbar

arxiv:1407.4896 v2 · 2014-07-18 · physics.soc-ph · cs.SI · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IH42RIWOGJ2PEWP7T7KT2SWJEI}

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	2026-05-18T02:37:53.721568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41f9a8a2ce3274f259ff9fd53d4ac922331dbb38eda2cb0f8f1a7b90731ed2e1

Aliases

arxiv: 1407.4896 · arxiv_version: 1407.4896v2 · doi: 10.48550/arxiv.1407.4896 · pith_short_12: IH42RIWOGJ2P · pith_short_16: IH42RIWOGJ2PEWP7 · pith_short_8: IH42RIWO

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/IH42RIWOGJ2PEWP7T7KT2SWJEI \
  | 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: 41f9a8a2ce3274f259ff9fd53d4ac922331dbb38eda2cb0f8f1a7b90731ed2e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a09534ae67619448538acd8e31758414cd4c6a13a7eb80e375c84060cd2ec81",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-07-18T06:46:45Z",
    "title_canon_sha256": "41230a6f9690404e3115a8aec4c7d6806f32a27fef7670161747592171b5d82a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4896",
    "kind": "arxiv",
    "version": 2
  }
}