Pith Number

pith:QURC5NC7

pith:2013:QURC5NC72GK3IPAZAXHAXDLPK7

not attested not anchored not stored refs pending

Probing interactions within the dark matter sector via extra radiation contributions

Joaquim Palacio, Roberto A. Lineros, Sergio Pastor, Urbano Franca

arxiv:1303.1776 v2 · 2013-03-07 · 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{QURC5NC72GK3IPAZAXHAXDLPK7}

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	2026-05-18T03:19:58.965965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85222eb45fd195b43c1905ce0b8d6f57f152ce765cf0c1bf95df6d3aa402c6cb

Aliases

arxiv: 1303.1776 · arxiv_version: 1303.1776v2 · doi: 10.48550/arxiv.1303.1776 · pith_short_12: QURC5NC72GK3 · pith_short_16: QURC5NC72GK3IPAZ · pith_short_8: QURC5NC7

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/QURC5NC72GK3IPAZAXHAXDLPK7 \
  | 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: 85222eb45fd195b43c1905ce0b8d6f57f152ce765cf0c1bf95df6d3aa402c6cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "887a85999007da6040ef03eeab5abbd955401c8c82a461e62f336ac0c2c49101",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-07T18:45:58Z",
    "title_canon_sha256": "d402f6819a87cee81929e2dab37af334d297adb1eb3bc04c77402880ece74b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1776",
    "kind": "arxiv",
    "version": 2
  }
}