Pith Number

pith:QZ3QMKZ7

pith:2009:QZ3QMKZ7TJEWM4MPRHGD2HNJAF

not attested not anchored not stored refs pending

Geomagnetic origin of the radio emission from cosmic ray induced air showers observed by CODALEMA

A. Belletoile, A. Cordier, A. Lecacheux, A. Sourice, A. Stutz, B. Revenu, C. Berat, C. Dumez-Viou, C. Fabrice, C. Riviere, D. Ardouin, D. Breton, D. Charrier, D.H. Koang, D. Lebrun, D. Monnier-Ragaigne, E. Meyer, F. Haddad, F. Lefeuvre, F. Meyer, F. Montanet, G. Plantier, J. Chauvin, J. Lamblin, K. Payet, L. Denis, L. Martin, M. Chendeb, N. Gautherot, N. Meyer-Vernet, O. Ravel, P. Lautridou, P. Stassi, R. Dallier, S. Dagoret-Campagne, S. Valcares, T. Garcon, T. Gousset, T. Saugrin, X. Garrido

arxiv:0901.4502 v1 · 2009-01-28 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZ3QMKZ7TJEWM4MPRHGD2HNJAF}

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	2026-05-18T02:35:01.596417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8677062b3f9a4966718f89cc3d1da901700655a261755fae1db9f3214d99ebc8

Aliases

arxiv: 0901.4502 · arxiv_version: 0901.4502v1 · doi: 10.48550/arxiv.0901.4502 · pith_short_12: QZ3QMKZ7TJEW · pith_short_16: QZ3QMKZ7TJEWM4MP · pith_short_8: QZ3QMKZ7

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/QZ3QMKZ7TJEWM4MPRHGD2HNJAF \
  | 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: 8677062b3f9a4966718f89cc3d1da901700655a261755fae1db9f3214d99ebc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f217347913e464754e381ffa8cf53931b85886cd459a6ac147ed0ded389726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-28T16:55:14Z",
    "title_canon_sha256": "d442b8703a6902331aa00c1d7f53568a6478fbed19799bc38e6911cbea35ada1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4502",
    "kind": "arxiv",
    "version": 1
  }
}