Pith Number

pith:7LX2PGV5

pith:1998:7LX2PGV5CWFJQVZSWDER55GBRU

not attested not anchored not stored refs pending

Coalescing Neutron Stars: A Solution to the R-Process Problem?

F.-K. Thielemann, M.B. Davies, S. Rosswog, T. Piran, W. Benz

arxiv:astro-ph/9804332 v2 · 1998-04-30 · 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{7LX2PGV5CWFJQVZSWDER55GBRU}

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	2026-05-18T01:07:37.490682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faefa79abd158a985732b0c91ef4c18d28ffe950dd8bc310b484ac941ab7bc87

Aliases

arxiv: astro-ph/9804332 · arxiv_version: astro-ph/9804332v2 · doi: 10.48550/arxiv.astro-ph/9804332 · pith_short_12: 7LX2PGV5CWFJ · pith_short_16: 7LX2PGV5CWFJQVZS · pith_short_8: 7LX2PGV5

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/7LX2PGV5CWFJQVZSWDER55GBRU \
  | 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: faefa79abd158a985732b0c91ef4c18d28ffe950dd8bc310b484ac941ab7bc87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c209c3b8e14c4388dfc5b27eb979e3e56d7ff4821294110f373b32921d4c7b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-30T10:04:29Z",
    "title_canon_sha256": "de7429202e0bbf7949b27715ddbe8e2f0e87d3bb0b6ba8ac2d83e7483f9ebda3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804332",
    "kind": "arxiv",
    "version": 2
  }
}