Pith Number

pith:LNUSLUBO

pith:1998:LNUSLUBOO4ZX5OBEYTREW34I7Z

not attested not anchored not stored refs pending

Double Core Evolution X. Through the Envelope Ejection Phase

Andreas Burkert, Eric L. Sandquist, Peter Bodenheimer, Ronald E. Taam, Xingming Chen

arxiv:astro-ph/9801230 v1 · 1998-01-23 · 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{LNUSLUBOO4ZX5OBEYTREW34I7Z}

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	2026-07-04T16:06:06.395812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b6925d02e77337eb824c4e24b6f88fe5a02e9926b9d3e8b3351f6c1d2b9b2a4

Aliases

arxiv: astro-ph/9801230 · arxiv_version: astro-ph/9801230v1 · doi: 10.48550/arxiv.astro-ph/9801230 · pith_short_12: LNUSLUBOO4ZX · pith_short_16: LNUSLUBOO4ZX5OBE · pith_short_8: LNUSLUBO

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/LNUSLUBOO4ZX5OBEYTREW34I7Z \
  | 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: 5b6925d02e77337eb824c4e24b6f88fe5a02e9926b9d3e8b3351f6c1d2b9b2a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e01f95eedd4288f244ba35610ab91aa40bbb7548699b50400b49b768397c87",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-23T21:16:22Z",
    "title_canon_sha256": "649689ea640e26c52467f4d634eb8efa63ae2acddd3fc77ef26ba94cc329e906"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9801230",
    "kind": "arxiv",
    "version": 1
  }
}