pith. sign in
Pith Number

pith:3MFJVMIM

pith:2009:3MFJVMIMV4E4LPRHXPHCF7HK4V
not attested not anchored not stored refs pending

The Radial Distribution of the Two Stellar Populations in NGC 1851

A. P. Milone, G. Piotto, J. Anderson, L. R. Bedin, M. Salaris, P. B. Stetson, S. Cassisi

arxiv:0906.1779 v1 · 2009-06-09 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3MFJVMIMV4E4LPRHXPHCF7HK4V}

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 2026-05-18T02:13:21.162543Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

db0a9ab10caf09c5be27bbce22fceae543939dcdc1802ebe9b690aefe4ed9857

Aliases

arxiv: 0906.1779 · arxiv_version: 0906.1779v1 · doi: 10.48550/arxiv.0906.1779 · pith_short_12: 3MFJVMIMV4E4 · pith_short_16: 3MFJVMIMV4E4LPRH · pith_short_8: 3MFJVMIM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3MFJVMIMV4E4LPRHXPHCF7HK4V \
  | 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: db0a9ab10caf09c5be27bbce22fceae543939dcdc1802ebe9b690aefe4ed9857
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9cc27a52115c35c7cf1f5ea7e1135789e03e8b7e721c1e16d0c1ab1dd79bc633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-09T16:45:13Z",
    "title_canon_sha256": "6725124847f44c737345f27cb525dd040a6f8ab336296a19aa0759d8369047f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1779",
    "kind": "arxiv",
    "version": 1
  }
}