Pith Number

pith:JAHWB6PK

pith:2018:JAHWB6PKGIYJYG5HLHCMIFK3BF

not attested not anchored not stored refs pending

Sustainable Online Communities Exhibit Distinct Hierarchical Structures Across Scales of Size

Daniel Shapira, Jacob Goldenberg, Yaniv Dover

arxiv:1803.07387 v1 · 2018-03-20 · physics.soc-ph · cond-mat.stat-mech · 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{JAHWB6PKGIYJYG5HLHCMIFK3BF}

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	2026-05-18T00:20:33.408227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

480f60f9ea32309c1ba759c4c4155b09699890949470c70cdea6a3e0dd7e0594

Aliases

arxiv: 1803.07387 · arxiv_version: 1803.07387v1 · doi: 10.48550/arxiv.1803.07387 · pith_short_12: JAHWB6PKGIYJ · pith_short_16: JAHWB6PKGIYJYG5H · pith_short_8: JAHWB6PK

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/JAHWB6PKGIYJYG5HLHCMIFK3BF \
  | 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: 480f60f9ea32309c1ba759c4c4155b09699890949470c70cdea6a3e0dd7e0594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489089caffb96b54b26536035980d38e4d1d7d9edbc0b41c7fcbf4154dbfd10e",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-03-20T12:08:18Z",
    "title_canon_sha256": "3b8c5a98b0016071b3a6e1e74bae6bc688df38b2806b7af7896a8f534b4d8a37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07387",
    "kind": "arxiv",
    "version": 1
  }
}