Pith Number

pith:N4WIKJ2P

pith:1994:N4WIKJ2PTJUGTQH56T6VJ3XGEE

not attested not anchored not stored refs pending

Constraints on Neutrino-Neutrino Interactions from Primordial Nucleosynthesis

Eduard Mass\'o, Ramon Toldr\`a

arxiv:hep-ph/9404339 v1 · 1994-04-26 · hep-ph · astro-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{N4WIKJ2PTJUGTQH56T6VJ3XGEE}

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

Observing Dirac neutrinos in the cosmic microwave background

Receipt and verification

First computed	2026-07-04T15:57:24.812162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f2c85274f9a6869c0fdf4fd54eee6211d6d390ae1b9ee1168588f8f7f97d39b

Aliases

arxiv: hep-ph/9404339 · arxiv_version: hep-ph/9404339v1 · doi: 10.48550/arxiv.hep-ph/9404339 · pith_short_12: N4WIKJ2PTJUG · pith_short_16: N4WIKJ2PTJUGTQH5 · pith_short_8: N4WIKJ2P

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/N4WIKJ2PTJUGTQH56T6VJ3XGEE \
  | 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: 6f2c85274f9a6869c0fdf4fd54eee6211d6d390ae1b9ee1168588f8f7f97d39b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7678b73bac0fe16d6fc2a1243f3ad96ed960334721f5fbb00799cb3ef0ab205",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1994-04-26T13:13:16Z",
    "title_canon_sha256": "4ac8e199152010dd2615f30eedb8316f5c3cc7fe131890aab7e59439e3a74a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9404339",
    "kind": "arxiv",
    "version": 1
  }
}