Pith Number

pith:3WOPKCHS

pith:2012:3WOPKCHSG3XJR5WNPH7NWS6ZPB

not attested not anchored not stored refs pending

Importance of axion-like particles for very-high-energy astrophysics

Alessandro de Angelis, Giorgio Galanti, Marco Roncadelli

arxiv:1207.0328 v1 · 2012-07-02 · 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{3WOPKCHSG3XJR5WNPH7NWS6ZPB}

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	2026-05-18T01:56:35.806177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9cf508f236ee98f6cd79fedb4bd9787448efdbfbbcdd61383187938ef18565

Aliases

arxiv: 1207.0328 · arxiv_version: 1207.0328v1 · doi: 10.48550/arxiv.1207.0328 · pith_short_12: 3WOPKCHSG3XJ · pith_short_16: 3WOPKCHSG3XJR5WN · pith_short_8: 3WOPKCHS

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/3WOPKCHSG3XJR5WNPH7NWS6ZPB \
  | 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: dd9cf508f236ee98f6cd79fedb4bd9787448efdbfbbcdd61383187938ef18565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b62c442c0d606b8e9463450c2c03e51409391e65a68a4e10700d9f812d1b0b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-02T10:20:32Z",
    "title_canon_sha256": "ad3a6804301a3f197a6a3ce5c24e38a7fbde7e868bdf2da88754743398ca2602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0328",
    "kind": "arxiv",
    "version": 1
  }
}