Pith Number

pith:GQP7TPNK

pith:2002:GQP7TPNK7J5TPV4MZ6WWNX5NQK

not attested not anchored not stored refs pending

Supernova 1987A did not test the neutrino mass hierarchy

B.P. Wood, D. Marfatia, V. Barger

arxiv:hep-ph/0202158 v1 · 2002-02-18 · hep-ph · astro-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQP7TPNK7J5TPV4MZ6WWNX5NQK}

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

The flux of electron antineutrinos from supernova SN1987A data

Receipt and verification

First computed	2026-07-04T15:49:37.194185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

341ff9bdaafa7b37d78ccfad66dfad82a48e8fd859b0e85059b314cf8b686d7c

Aliases

arxiv: hep-ph/0202158 · arxiv_version: hep-ph/0202158v1 · doi: 10.48550/arxiv.hep-ph/0202158 · pith_short_12: GQP7TPNK7J5T · pith_short_16: GQP7TPNK7J5TPV4M · pith_short_8: GQP7TPNK

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/GQP7TPNK7J5TPV4MZ6WWNX5NQK \
  | 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: 341ff9bdaafa7b37d78ccfad66dfad82a48e8fd859b0e85059b314cf8b686d7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3e619b9d9bb7912b61913a90a88d0d015fa570fe67d90bbfc4933dcb95de70",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ex"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-02-18T20:59:07Z",
    "title_canon_sha256": "10a753e8a4791c32d1f6e9cdbd348706c28e2f166a48be49a375c35dd33fdb37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0202158",
    "kind": "arxiv",
    "version": 1
  }
}