Pith Number

pith:FM7FRP7T

pith:2012:FM7FRP7TGO5ZK5FQR6NLQ62KUO

not attested not anchored not stored refs pending

Signatures of photon-axion conversion in the thermal spectra and polarization of neutron stars

Barcelona), Licia Verde (ICREA, Matthew van Adelsberg (Georgia Tech), Raul Jimenez (ICREA, Rosalba Perna (JILA/Colorado), Wynn C.G. Ho (U. of Southampton)

arxiv:1201.5390 v1 · 2012-01-25 · astro-ph.HE · 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{FM7FRP7TGO5ZK5FQR6NLQ62KUO}

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	2026-05-18T03:59:12.097703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3e58bff333bb9574b08f9ab87b4aa39be6254025b6122da0746a244a3917fa

Aliases

arxiv: 1201.5390 · arxiv_version: 1201.5390v1 · doi: 10.48550/arxiv.1201.5390 · pith_short_12: FM7FRP7TGO5Z · pith_short_16: FM7FRP7TGO5ZK5FQ · pith_short_8: FM7FRP7T

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/FM7FRP7TGO5ZK5FQR6NLQ62KUO \
  | 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: 2b3e58bff333bb9574b08f9ab87b4aa39be6254025b6122da0746a244a3917fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "162bcfb5fd1f81b6ee748cc97f9e4172ec8e0c6953234e50cb16962e440def22",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-25T21:08:11Z",
    "title_canon_sha256": "4c425f71f0e3e53bfdbe100c495097f131f4e777887150ba01c3626c3906dae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5390",
    "kind": "arxiv",
    "version": 1
  }
}