Pith Number

pith:BU2LKDP4

pith:2012:BU2LKDP4ALDOEIJG36WQSEK6J4

not attested not anchored not stored refs pending

An Exploration of Social Identity: The Geography and Politics of News-Sharing Communities in Twitter

Alexander Gard-Murray, Ama\c{c} Herda\u{g}delen, Wenyun Zuo, Yaneer Bar-Yam

arxiv:1202.4393 v1 · 2012-02-20 · physics.soc-ph · cs.CY · cs.SI · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU2LKDP4ALDOEIJG36WQSEK6J4}

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	2026-05-18T04:01:51.606233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d34b50dfc02c6e22126dfad09115e4f18d1ec43c9e01e1b212c4fb0626ead6b

Aliases

arxiv: 1202.4393 · arxiv_version: 1202.4393v1 · doi: 10.48550/arxiv.1202.4393 · pith_short_12: BU2LKDP4ALDO · pith_short_16: BU2LKDP4ALDOEIJG · pith_short_8: BU2LKDP4

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/BU2LKDP4ALDOEIJG36WQSEK6J4 \
  | 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: 0d34b50dfc02c6e22126dfad09115e4f18d1ec43c9e01e1b212c4fb0626ead6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a948538b5f977580a8d5ec94577fa668e89d8b22b9633a7be2709c09d961e98",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-02-20T17:27:00Z",
    "title_canon_sha256": "142c7215ba1848935dd28b3d0e450ea72640cdb780d75c2e76b7998cf418efaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4393",
    "kind": "arxiv",
    "version": 1
  }
}