Pith Number

pith:WZAGW4I5

pith:1994:WZAGW4I52MIYQFSLHNL4VY4Z4R

not attested not anchored not stored refs pending

Electromagnetic Cascades and Cascade Nucleosynthesis in the Early Universe

R.J. Protheroe, T. Stanev, V.S. Berezinsky

arxiv:astro-ph/9409004 v2 · 1994-09-02 · 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{WZAGW4I52MIYQFSLHNL4VY4Z4R}

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

Bipartite Solution to the Lithium Problem

Receipt and verification

First computed	2026-05-18T04:22:19.562302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6406b711dd31188164b3b57cae399e447f87068253f24a735b20b178b2ba301

Aliases

arxiv: astro-ph/9409004 · arxiv_version: astro-ph/9409004v2 · doi: 10.48550/arxiv.astro-ph/9409004 · pith_short_12: WZAGW4I52MIY · pith_short_16: WZAGW4I52MIYQFSL · pith_short_8: WZAGW4I5

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/WZAGW4I52MIYQFSLHNL4VY4Z4R \
  | 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: b6406b711dd31188164b3b57cae399e447f87068253f24a735b20b178b2ba301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88fb2e25d6c9774d3d3ee61d4e7f61f6ef324d8290c4a5b1fff5c6973b96422c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-09-02T03:07:52Z",
    "title_canon_sha256": "5c83796464abf18f864197f8a221a539fc39c28f34f90618e826715bbec9f73b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9409004",
    "kind": "arxiv",
    "version": 2
  }
}