Pith Number

pith:O4NPHAH2

pith:1994:O4NPHAH23OXRSH4WZYMAYKZRNL

not attested not anchored not stored refs pending

Evolution of Galactic Nuclei with 10 $M_\odot$ Black Holes

Hyung Mok Lee

arxiv:astro-ph/9409073 v1 · 1994-09-28 · 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{O4NPHAH23OXRSH4WZYMAYKZRNL}

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	2026-05-18T01:40:24.267908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771af380fadbaf191f96ce180c2b316ac62602414bdfdfe961a53dab1a1ec6bf

Aliases

arxiv: astro-ph/9409073 · arxiv_version: astro-ph/9409073v1 · doi: 10.48550/arxiv.astro-ph/9409073 · pith_short_12: O4NPHAH23OXR · pith_short_16: O4NPHAH23OXRSH4W · pith_short_8: O4NPHAH2

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/O4NPHAH23OXRSH4WZYMAYKZRNL \
  | 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: 771af380fadbaf191f96ce180c2b316ac62602414bdfdfe961a53dab1a1ec6bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad8eb004fd8ded6db2feff473a41335c53da6ac8ab4412d6ee8fc1b68394b115",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-09-28T01:37:32Z",
    "title_canon_sha256": "3c338d3f84efc226c02baea31e7a85aabf874b7d8ea2295e1e1fa7c031b0b334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9409073",
    "kind": "arxiv",
    "version": 1
  }
}