Pith Number

pith:L3JLRJQT

pith:2013:L3JLRJQT3SM3UAUP3NR5P5XI6D

not attested not anchored not stored refs pending

First lower limits on the photon-axion-like particle coupling from very high energy gamma-ray observation

Dieter Horns, Manuel Meyer, Martin Raue

arxiv:1302.1208 v4 · 2013-02-05 · 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{L3JLRJQT3SM3UAUP3NR5P5XI6D}

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

1 paper in Pith

Dimming of Photon Ring due to Photon-Axion Conversion around Kerr Black Holes

Receipt and verification

First computed	2026-05-18T02:41:01.795296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed2b8a613dc99ba028fdb63d7f6e8f0fcdf549c1f537e9aa4414f4796b5ec2c

Aliases

arxiv: 1302.1208 · arxiv_version: 1302.1208v4 · doi: 10.48550/arxiv.1302.1208 · pith_short_12: L3JLRJQT3SM3 · pith_short_16: L3JLRJQT3SM3UAUP · pith_short_8: L3JLRJQT

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/L3JLRJQT3SM3UAUP3NR5P5XI6D \
  | 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: 5ed2b8a613dc99ba028fdb63d7f6e8f0fcdf549c1f537e9aa4414f4796b5ec2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7e9e8d357017869900c32f6bb6bf196c7c9de23defa4ad683178af53f232f9",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-05T21:10:20Z",
    "title_canon_sha256": "881fe8c7182736f5f60c154ec663bf6669910b708900fd4d86e2a8cde53a437e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1208",
    "kind": "arxiv",
    "version": 4
  }
}