Pith Number

pith:ZGDY6XDH

pith:2009:ZGDY6XDHD4U3H7X3KR73ZAGEVN

not attested not anchored not stored refs pending

Is the PAMELA anomaly caused by the supernova explosions near the Earth?

Kazunori Kohri (Lancaster), Kunihito Ioka (KEK), Ryo Yamazaki (Hiroshima), Yutaka Fujita (Osaka)

arxiv:0903.5298 v3 · 2009-03-31 · astro-ph.HE · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGDY6XDHD4U3H7X3KR73ZAGEVN}

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	2026-05-18T02:18:13.955038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9878f5c671f29b3fefb547fbc80c4ab67b1f0ae760dbf5d6abc1a691b190e53

Aliases

arxiv: 0903.5298 · arxiv_version: 0903.5298v3 · doi: 10.48550/arxiv.0903.5298 · pith_short_12: ZGDY6XDHD4U3 · pith_short_16: ZGDY6XDHD4U3H7X3 · pith_short_8: ZGDY6XDH

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/ZGDY6XDHD4U3H7X3KR73ZAGEVN \
  | 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: c9878f5c671f29b3fefb547fbc80c4ab67b1f0ae760dbf5d6abc1a691b190e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c85250c2187889c3ef61321335ce23ca3805491e695fad78a38da54d63c49b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-31T04:40:12Z",
    "title_canon_sha256": "ed6a1d2ee312f5676d82bcde4eb4a1bf17fe8686c99cf34ed100faef373ee75d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5298",
    "kind": "arxiv",
    "version": 3
  }
}