Pith Number

pith:L6K7YMZI

pith:2009:L6K7YMZIAQGO5UL4KNEWEEARLI

not attested not anchored not stored refs pending

Mass-loss and expansion of ultra compact dwarf galaxies through gas expulsion and stellar evolution for top-heavy stellar initial mass functions

J. Dabringhausen, M. Fellhauer, P. Kroupa

arxiv:0912.2998 v2 · 2009-12-15 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6K7YMZIAQGO5UL4KNEWEEARLI}

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	2026-05-18T02:33:56.404611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f95fc3328040ceed17c53496210115a20285e385edebeeaabcbdf4420ad0fcb

Aliases

arxiv: 0912.2998 · arxiv_version: 0912.2998v2 · doi: 10.48550/arxiv.0912.2998 · pith_short_12: L6K7YMZIAQGO · pith_short_16: L6K7YMZIAQGO5UL4 · pith_short_8: L6K7YMZI

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/L6K7YMZIAQGO5UL4KNEWEEARLI \
  | 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: 5f95fc3328040ceed17c53496210115a20285e385edebeeaabcbdf4420ad0fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7a2514916acaf1c564d18fb4bcbbbccf4c89674732cf337bd11b340e77ce5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-15T21:22:09Z",
    "title_canon_sha256": "9b1492e2a1a83fb64678c089f70b5790d979adfece37851b9519416cc47e04d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2998",
    "kind": "arxiv",
    "version": 2
  }
}