Pith Number

pith:WITGZXZR

pith:2009:WITGZXZR77JJQJVVRA4SQ23DOQ

not attested not anchored not stored refs pending

On the Energy Spectra of GeV/TeV Cosmic Ray Leptons

Lukasz Stawarz, Roger D. Blandford, Vahe Petrosian

arxiv:0908.1094 v2 · 2009-08-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WITGZXZR77JJQJVVRA4SQ23DOQ}

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	2026-05-18T02:12:36.620354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2266cdf31ffd29826b58839286b637439b045ba7d9672f2b6cb86254f6b9efa

Aliases

arxiv: 0908.1094 · arxiv_version: 0908.1094v2 · doi: 10.48550/arxiv.0908.1094 · pith_short_12: WITGZXZR77JJ · pith_short_16: WITGZXZR77JJQJVV · pith_short_8: WITGZXZR

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/WITGZXZR77JJQJVVRA4SQ23DOQ \
  | 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: b2266cdf31ffd29826b58839286b637439b045ba7d9672f2b6cb86254f6b9efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a49ce36c18cfd017c8ad883364ed0ee564ad30fa50384522048c678fc002974",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-07T18:10:28Z",
    "title_canon_sha256": "981ea157ad4ca9fdace1401689f4c9a97b52c91f832179e1885b587a41d30fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1094",
    "kind": "arxiv",
    "version": 2
  }
}