Pith Number

pith:43DMFQQJ

pith:2010:43DMFQQJRU72IVRKKV3JVYLGZW

not attested not anchored not stored refs pending

Measurement of the energy spectrum of cosmic rays above 10^18 eV using the Pierre Auger Observatory

The Pierre Auger Collaboration

arxiv:1002.1975 v1 · 2010-02-09 · 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{43DMFQQJRU72IVRKKV3JVYLGZW}

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.

Cited by

2 papers in Pith

Ultraheavy Ultrahigh-Energy Cosmic Rays

Study of Flat Spectrum Radio Quasars and BL Lacertae Objects as Sources of Diffusive Ultra High-Energy Cosmic Rays

Receipt and verification

First computed	2026-05-18T03:48:01.636048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6c6c2c2098d3fa4562a55769ae166cdba26d1e60ef2812d78198dd4f97ac024

Aliases

arxiv: 1002.1975 · arxiv_version: 1002.1975v1 · doi: 10.48550/arxiv.1002.1975 · pith_short_12: 43DMFQQJRU72 · pith_short_16: 43DMFQQJRU72IVRK · pith_short_8: 43DMFQQJ

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/43DMFQQJRU72IVRKKV3JVYLGZW \
  | 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: e6c6c2c2098d3fa4562a55769ae166cdba26d1e60ef2812d78198dd4f97ac024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92502aebffb68d198777ae4e80de55270eef0040a8bc465f65459b1c185ae28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-02-09T21:37:17Z",
    "title_canon_sha256": "e15001649c7c3f7d9fb140ddfc0a6a9856e1dc85dad23d8bac6831c55bb51600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1975",
    "kind": "arxiv",
    "version": 1
  }
}