Pith Number

pith:3QSLFBXC

pith:2007:3QSLFBXCIRORBHHNQK7BV2RGK3

not attested not anchored not stored refs pending

Increasing the effective number of neutrinos with decaying particles

Fuminobu Takahashi, Kazuhide Ichikawa, Kazunori Nakayama, Masahiro Kawasaki, Masato Senami

arxiv:hep-ph/0703034 v2 · 2007-03-04 · hep-ph · astro-ph

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

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	2026-05-18T04:38:38.276892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc24b286e2445d109ced82be1aea2656ec2fbcb0815f51a0a2194aa98cd4d081

Aliases

arxiv: hep-ph/0703034 · arxiv_version: hep-ph/0703034v2 · doi: 10.48550/arxiv.hep-ph/0703034 · pith_short_12: 3QSLFBXCIROR · pith_short_16: 3QSLFBXCIRORBHHN · pith_short_8: 3QSLFBXC

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/3QSLFBXCIRORBHHNQK7BV2RGK3 \
  | 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: dc24b286e2445d109ced82be1aea2656ec2fbcb0815f51a0a2194aa98cd4d081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749b02026b0d4e0ab926ba3584aeb4832ff1e56ccc8e7435e750d8f1509bcd13",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-03-04T01:06:40Z",
    "title_canon_sha256": "b007516739f9124e849ac3bb94401f5d677255968a8c979289bd82f97aa60875"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0703034",
    "kind": "arxiv",
    "version": 2
  }
}