Pith Number

pith:2KD4M7GW

pith:2009:2KD4M7GWTRQWSJFGVQOH2LHKLF

not attested not anchored not stored refs pending

Luminosity function and radial distribution of Milky Way Satellites in a LCDM Universe

2), 3, 4), (4) Sternberg Astronomical Institute, (5) INAF-Osservatorio Astronomico di Trieste; (6) Dipartimento di Astronomia, 6) ((1) MPIA, Andrea V. Maccio' (1), Baltimore;(3) Institute of Astronomy, Cambridge, Fabio Fontanot (1), Heidelberg; (2) Space Telescope Science Institute, Moscow, Pierluigi Monaco (5, Rachel S. Somerville (1, Russia, Sergey E. Koposov (1, UK, Universita' di Trieste), Xi Kang (1)

arxiv:0903.4681 v2 · 2009-03-26 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KD4M7GWTRQWSJFGVQOH2LHKLF}

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	2026-05-18T02:14:19.281683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d287c67cd69c616924a6ac1c7d2cea5944e202f6e4c50319a66917255ff73355

Aliases

arxiv: 0903.4681 · arxiv_version: 0903.4681v2 · doi: 10.48550/arxiv.0903.4681 · pith_short_12: 2KD4M7GWTRQW · pith_short_16: 2KD4M7GWTRQWSJFG · pith_short_8: 2KD4M7GW

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/2KD4M7GWTRQWSJFGVQOH2LHKLF \
  | 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: d287c67cd69c616924a6ac1c7d2cea5944e202f6e4c50319a66917255ff73355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d664e6c8cafcf8b505aa7336be7cedcbc3ce4dd5c59cd4c79e74a04819770c7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-26T19:55:13Z",
    "title_canon_sha256": "f863416ffa23e5eb5e77651dcacfaf6d93eaaeae06cd93bc5e628fcd8f674b39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4681",
    "kind": "arxiv",
    "version": 2
  }
}