Pith Number

pith:R4L3KDZA

pith:2012:R4L3KDZACBZFFB4JIUIBNQKBE3

not attested not anchored not stored refs pending

Multi-scale Dynamics in a Massive Online Social Network

Alessandra Sala, Ben Y. Zhao, Christo Wilson, Haitao Zheng, Sabrina Gaito, Xiaohan Zhao, Xiao Wang

arxiv:1205.4013 v1 · 2012-05-17 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4L3KDZACBZFFB4JIUIBNQKBE3}

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	2026-05-18T03:55:23.956093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f17b50f201072528789451016c14126ec06393c3e7b46254baefe1d37cbaca7

Aliases

arxiv: 1205.4013 · arxiv_version: 1205.4013v1 · doi: 10.48550/arxiv.1205.4013 · pith_short_12: R4L3KDZACBZF · pith_short_16: R4L3KDZACBZFFB4J · pith_short_8: R4L3KDZA

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/R4L3KDZACBZFFB4JIUIBNQKBE3 \
  | 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: 8f17b50f201072528789451016c14126ec06393c3e7b46254baefe1d37cbaca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dd51fa17962e01fbb0dc5655c9f593988c1d8dd2a1519a48f84aebb141485fc",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-05-17T19:21:56Z",
    "title_canon_sha256": "ebc5d8b194be39c6d78367f10f28df1c2332fd93d0c2e96f8becc76761a28753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4013",
    "kind": "arxiv",
    "version": 1
  }
}