Pith Number

pith:LUFC4U4D

pith:2012:LUFC4U4DF54WIM557VRACE4HXC

not attested not anchored not stored refs pending

Constraints on Light Dark Matter from Big Bang Nucleosynthesis

Brian Henning, Hitoshi Murayama

arxiv:1205.6479 v1 · 2012-05-29 · 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{LUFC4U4DF54WIM557VRACE4HXC}

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

Bipartite Solution to the Lithium Problem

Receipt and verification

First computed	2026-05-18T03:54:38.780423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0a2e53832f796433bdfd62011387b897579cde61f2442891a18f2d28aa27c8

Aliases

arxiv: 1205.6479 · arxiv_version: 1205.6479v1 · doi: 10.48550/arxiv.1205.6479 · pith_short_12: LUFC4U4DF54W · pith_short_16: LUFC4U4DF54WIM55 · pith_short_8: LUFC4U4D

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/LUFC4U4DF54WIM557VRACE4HXC \
  | 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: 5d0a2e53832f796433bdfd62011387b897579cde61f2442891a18f2d28aa27c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a2e25929151ef913493cb8eeab92e7a32a4e5188ef73e34c69b11b1f0dcf3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-05-29T20:00:44Z",
    "title_canon_sha256": "d56234ff7571158fb73792016f2c2313e97609d427b13ae78a58476195d1a61b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6479",
    "kind": "arxiv",
    "version": 1
  }
}