Pith Number

pith:UB7QPCQJ

pith:2019:UB7QPCQJ67ELWNKFUKHWPOLNWF

not attested not anchored not stored refs pending

Multi-wavelength observation of cosmic-ray air-showers with CODALEMA/EXTASIS

Alain Lecacheux, Antony Escudie, Beno\^it Revenu, Daniel Garc\'ia-Fern\'andez, Didier Charrier, Lilian Martin, Richard Dallier

arxiv:1903.04274 v1 · 2019-03-07 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB7QPCQJ67ELWNKFUKHWPOLNWF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:43:36.718810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07f078a09f7c8bb3545a28f67b96db16e7a0f0a8f6403b0325bcb23837cda6d

Aliases

arxiv: 1903.04274 · arxiv_version: 1903.04274v1 · doi: 10.48550/arxiv.1903.04274 · pith_short_12: UB7QPCQJ67EL · pith_short_16: UB7QPCQJ67ELWNKF · pith_short_8: UB7QPCQJ

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/UB7QPCQJ67ELWNKFUKHWPOLNWF \
  | 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: a07f078a09f7c8bb3545a28f67b96db16e7a0f0a8f6403b0325bcb23837cda6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b90a9ad9cdae30a908742b5ba93588aa9af00bde941acf399388e063c6fa42f0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-07T10:20:18Z",
    "title_canon_sha256": "02244c334397c7051bd6c51e6edb818a0326eda692c4fccf48ff3182c523c3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04274",
    "kind": "arxiv",
    "version": 1
  }
}