Pith Number

pith:6Z26KM5I

pith:2013:6Z26KM5INXOWYCFLBBJCKMKB4X

not attested not anchored not stored refs pending

Ontology-based Recommender System of Economic Articles

Christophe Cruz (Le2i), Christophe Nicolle (Le2i), David Werner (Le2i)

arxiv:1301.4781 v1 · 2013-01-21 · cs.IR · 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{6Z26KM5INXOWYCFLBBJCKMKB4X}

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	2026-05-18T03:35:55.659562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f675e533a86ddd6c08ab0852253141e5f30fa822fd32d9c528725dbcc7540d53

Aliases

arxiv: 1301.4781 · arxiv_version: 1301.4781v1 · doi: 10.48550/arxiv.1301.4781 · pith_short_12: 6Z26KM5INXOW · pith_short_16: 6Z26KM5INXOWYCFL · pith_short_8: 6Z26KM5I

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/6Z26KM5INXOWYCFLBBJCKMKB4X \
  | 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: f675e533a86ddd6c08ab0852253141e5f30fa822fd32d9c528725dbcc7540d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0206ff8bf58cef3f8afd29398da2492a770be794e003faf4d61d1d8b0068626e",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-01-21T08:15:16Z",
    "title_canon_sha256": "f1ab83d589cc1f8ab6001fb1de1521065dfd876379f65e61507b50ff162ff40d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4781",
    "kind": "arxiv",
    "version": 1
  }
}