Pith Number

pith:HGIPULQC

pith:2012:HGIPULQCNQT5HTDH2USUMDTSGI

not attested not anchored not stored refs pending

Quantifying the interdisciplinarity of scientific journals and fields

Filipi Nascimento Silva, Francisco Aparecido Rodrigues, Luciano da Fontoura Costa, Osvaldo Novais de Oliveira Junior

arxiv:1203.4807 v1 · 2012-03-21 · physics.soc-ph · cs.DL · physics.comp-ph · 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{HGIPULQCNQT5HTDH2USUMDTSGI}

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	2026-05-18T03:31:30.788706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3990fa2e026c27d3cc67d525460e723218f1779534ee3527a4f6be8f2c40c3d3

Aliases

arxiv: 1203.4807 · arxiv_version: 1203.4807v1 · doi: 10.48550/arxiv.1203.4807 · pith_short_12: HGIPULQCNQT5 · pith_short_16: HGIPULQCNQT5HTDH · pith_short_8: HGIPULQC

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/HGIPULQCNQT5HTDH2USUMDTSGI \
  | 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: 3990fa2e026c27d3cc67d525460e723218f1779534ee3527a4f6be8f2c40c3d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d85b8d583bf1b942fbd15274d673768d2859cb031737b6cf766c13753f55299",
    "cross_cats_sorted": [
      "cs.DL",
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-03-21T19:43:33Z",
    "title_canon_sha256": "8cea8476bcc0f866b57cfa3fcc23e44940bd984da8aac12e6e0bcbf8261f4ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4807",
    "kind": "arxiv",
    "version": 1
  }
}