Pith Number

pith:7ZEUEMOP

pith:2013:7ZEUEMOPSQBFYIU5RWISJNFSVJ

not attested not anchored not stored refs pending

A measure for the impact of research

Alejandro M. Arag\'on

arxiv:1302.7274 v2 · 2013-02-28 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZEUEMOPSQBFYIU5RWISJNFSVJ}

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	2026-05-18T03:28:17.012167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe494231cf94025c229d8d9124b4b2aa6a58128f0f1edbeed5f7c7877595a4e6

Aliases

arxiv: 1302.7274 · arxiv_version: 1302.7274v2 · doi: 10.48550/arxiv.1302.7274 · pith_short_12: 7ZEUEMOPSQBF · pith_short_16: 7ZEUEMOPSQBFYIU5 · pith_short_8: 7ZEUEMOP

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/7ZEUEMOPSQBFYIU5RWISJNFSVJ \
  | 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: fe494231cf94025c229d8d9124b4b2aa6a58128f0f1edbeed5f7c7877595a4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5262473ebeeaec9c1c287abc81d02301b468f3f2c9a5a20f301b65a9024bc736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-02-28T18:20:53Z",
    "title_canon_sha256": "96bc84224529dc676a05db06b3952ff4dc90b8f09c23159b987f6562db608d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7274",
    "kind": "arxiv",
    "version": 2
  }
}