Pith Number

pith:CB2ABALX

pith:2012:CB2ABALXOQEZMYJ6PCOUM2QLU6

not attested not anchored not stored refs pending

Nitrogen fluorescence in air for observing extensive air showers

A. Ulrich, B. Keilhauer, J. Matthews, M. Bohacova, M. Fraga, N. Sakaki, Y. Tameda, Y. Tsunesada

arxiv:1210.1319 v2 · 2012-10-04 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CB2ABALXOQEZMYJ6PCOUM2QLU6}

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	2026-05-18T01:54:05.968214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1074008177740996613e789d466a0ba7ab6a71b3daf9d17a7f3e350bc9c20b22

Aliases

arxiv: 1210.1319 · arxiv_version: 1210.1319v2 · doi: 10.48550/arxiv.1210.1319 · pith_short_12: CB2ABALXOQEZ · pith_short_16: CB2ABALXOQEZMYJ6 · pith_short_8: CB2ABALX

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/CB2ABALXOQEZMYJ6PCOUM2QLU6 \
  | 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: 1074008177740996613e789d466a0ba7ab6a71b3daf9d17a7f3e350bc9c20b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45922331d2e69a11cc6ca095bc9b802d277e57d360474e0f63d6dfed29deba47",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-04T07:27:50Z",
    "title_canon_sha256": "fa0aa8ace1ceb1b79ad3b55ea9ab17cb1ab3063defa462f8c645df83fb799276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1319",
    "kind": "arxiv",
    "version": 2
  }
}