Pith Number

pith:BFGUPPOK

pith:1999:BFGUPPOKGS5NGNKUCV5WHRTM3P

not attested not anchored not stored refs pending

Earth Matter Effect in 7Be Solar Neutrino Experiments

Alexander Friedland, Andre de Gouvea, Hitoshi Murayama (UC Berkeley, LBNL)

arxiv:hep-ph/9910286 v2 · 1999-10-11 · hep-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{BFGUPPOKGS5NGNKUCV5WHRTM3P}

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	2026-05-18T01:38:55.705973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

094d47bdca34bad33554157b63c66cdbfe9a6c2481f03824f478a22bf272eb4d

Aliases

arxiv: hep-ph/9910286 · arxiv_version: hep-ph/9910286v2 · doi: 10.48550/arxiv.hep-ph/9910286 · pith_short_12: BFGUPPOKGS5N · pith_short_16: BFGUPPOKGS5NGNKU · pith_short_8: BFGUPPOK

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/BFGUPPOKGS5NGNKUCV5WHRTM3P \
  | 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: 094d47bdca34bad33554157b63c66cdbfe9a6c2481f03824f478a22bf272eb4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee5b947ef39ce3bd4bd1324f90d85e0e701ce253b9dc593ae963dbe13d4c5b78",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-10-11T19:13:18Z",
    "title_canon_sha256": "ae24d4f0862bffb2a82512c64dbbfec238c77c464e3373043d2c5c8fc4a7bee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9910286",
    "kind": "arxiv",
    "version": 2
  }
}