Pith Number

pith:OY2QMLUV

pith:1997:OY2QMLUVICFOCJCDCBSGIAEFKV

not attested not anchored not stored refs pending

How neutrino oscillations can induce an effective neutrino number of less than 3 during Big Bang Nucleosynthesis

R. Foot, R. R. Volkas

arxiv:hep-ph/9706242 v1 · 1997-06-04 · 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{OY2QMLUVICFOCJCDCBSGIAEFKV}

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	2026-05-18T02:37:00.937077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7635062e95408ae1244310646400855549fcd0cdc947ad5bc0aa3b44d78ae7ac

Aliases

arxiv: hep-ph/9706242 · arxiv_version: hep-ph/9706242v1 · doi: 10.48550/arxiv.hep-ph/9706242 · pith_short_12: OY2QMLUVICFO · pith_short_16: OY2QMLUVICFOCJCD · pith_short_8: OY2QMLUV

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/OY2QMLUVICFOCJCDCBSGIAEFKV \
  | 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: 7635062e95408ae1244310646400855549fcd0cdc947ad5bc0aa3b44d78ae7ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b336926eecbc7b2d8efed95d6db1d430cfa16af9c081b14b3c141a22ec5ca38",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-06-04T06:33:23Z",
    "title_canon_sha256": "da9d1a30cfebf7d4b4daef44b1cf472a8eb8f6d7f9b2c3cd3245ed2e70710720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9706242",
    "kind": "arxiv",
    "version": 1
  }
}