Pith Number

pith:LBNBQSRU

pith:2009:LBNBQSRUMVK2WZCEJXV6CZPZOZ

not attested not anchored not stored refs pending

On Some Properties of the Neutrino in The Early Universe

A Bhattacharya, A Sagari, B Chakrabarti, S Mani

arxiv:0904.4333 v1 · 2009-04-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBNBQSRUMVK2WZCEJXV6CZPZOZ}

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	2026-05-18T03:14:17.903027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

585a184a346555ab64444debe165f9766c61043c7fc051c10b5c7ae9b7ab12ec

Aliases

arxiv: 0904.4333 · arxiv_version: 0904.4333v1 · doi: 10.48550/arxiv.0904.4333 · pith_short_12: LBNBQSRUMVK2 · pith_short_16: LBNBQSRUMVK2WZCE · pith_short_8: LBNBQSRU

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/LBNBQSRUMVK2WZCEJXV6CZPZOZ \
  | 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: 585a184a346555ab64444debe165f9766c61043c7fc051c10b5c7ae9b7ab12ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c866950b071ea2d8e0bfd49124e8db4642ddd7e80a88340c8b7342381c7e46b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-28T08:35:12Z",
    "title_canon_sha256": "3b9f8669a251b604b060cac2505140ad0030b4722ef2a5651bee8ecba5ca65d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4333",
    "kind": "arxiv",
    "version": 1
  }
}