Pith Number

pith:DKOO5Y33

pith:2013:DKOO5Y33TJA74QTID35SNSZ4RF

not attested not anchored not stored refs pending

Self-interacting Dark Radiation

Fuminobu Takahashi, Kwang Sik Jeong

arxiv:1305.6521 v3 · 2013-05-28 · hep-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKOO5Y33TJA74QTID35SNSZ4RF}

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

2 papers in Pith

The End of the First Act: Spectral Running, Interacting Dark Radiation, and the Hubble Tension in Light of ACT DR6 Data

CMB signatures of gravity-mediated dark radiation in $\mathbf{\Delta N_{\rm eff}}$

Receipt and verification

First computed	2026-05-18T02:57:43.604985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9ceee37b9a41fe42681efb26cb3c896cc8e0e58081016edf44bdfbef1d19c5

Aliases

arxiv: 1305.6521 · arxiv_version: 1305.6521v3 · doi: 10.48550/arxiv.1305.6521 · pith_short_12: DKOO5Y33TJA7 · pith_short_16: DKOO5Y33TJA74QTI · pith_short_8: DKOO5Y33

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/DKOO5Y33TJA74QTID35SNSZ4RF \
  | 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: 1a9ceee37b9a41fe42681efb26cb3c896cc8e0e58081016edf44bdfbef1d19c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d12feef437618df46f3560a7d741416d332534414817566153c2b5819a1dd83f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-05-28T15:00:45Z",
    "title_canon_sha256": "91c7671434c0a265d33f2a7837ecd9ca4d0a9fe5a96d6c9a579cebb894756fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6521",
    "kind": "arxiv",
    "version": 3
  }
}