Pith Number

pith:MHM74GFB

pith:2008:MHM74GFBKXTTF2PB2CBFUNRONG

not attested not anchored not stored refs pending

New Constraints on Radiative Decay of Long-Lived Particles in Big Bang Nucleosynthesis with New $^4$He Photodisintegration Data

Motohiko Kusakabe, Takashi Yoshida, Tatsushi Shima, Toshitaka Kajino, Toshiteru Kii, Yasuki Nagai

arxiv:0806.4040 v2 · 2008-06-25 · astro-ph · 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{MHM74GFBKXTTF2PB2CBFUNRONG}

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	2026-07-04T15:47:15.693401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d9fe18a155e732e9e1d0825a362e698377bfb9169499d8bb5522cab1a3ca71

Aliases

arxiv: 0806.4040 · arxiv_version: 0806.4040v2 · doi: 10.48550/arxiv.0806.4040 · pith_short_12: MHM74GFBKXTT · pith_short_16: MHM74GFBKXTTF2PB · pith_short_8: MHM74GFB

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/MHM74GFBKXTTF2PB2CBFUNRONG \
  | 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: 61d9fe18a155e732e9e1d0825a362e698377bfb9169499d8bb5522cab1a3ca71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "246c4ae2b1fc990f8f31bd7910556b5a54901209297966ca9a7c92d10c523203",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-25T07:57:57Z",
    "title_canon_sha256": "ebc13c8701e0c6fe5de5a77b3df4b416d619ede30b8ea30e4df66761e707c8c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4040",
    "kind": "arxiv",
    "version": 2
  }
}