Pith Number

pith:2ZEJ2M7X

pith:2009:2ZEJ2M7XNNYWP52TMJSDX7DWVT

not attested not anchored not stored refs pending

The Chemical Evolution of the Draco Dwarf Spheroidal Galaxy

Judith G. Cohen, Wenjin Huang

arxiv:0906.1006 v1 · 2009-06-04 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZEJ2M7XNNYWP52TMJSDX7DWVT}

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.

Cited by

2 papers in Pith

The Sc, Ti, and V Abundance Discrepancy: Testing High-Mass IMF Variation and Massive-Star Rotation

The Pristine Dwarf Galaxy Survey -- VII. The metallicity distributions of 12 Milky Way faint satellites

Receipt and verification

First computed	2026-07-04T15:47:24.451227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6489d33f76b7167f75362643bfc76acd5bc6357291907ff347d8ab03c119932

Aliases

arxiv: 0906.1006 · arxiv_version: 0906.1006v1 · doi: 10.48550/arxiv.0906.1006 · pith_short_12: 2ZEJ2M7XNNYW · pith_short_16: 2ZEJ2M7XNNYWP52T · pith_short_8: 2ZEJ2M7X

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/2ZEJ2M7XNNYWP52TMJSDX7DWVT \
  | 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: d6489d33f76b7167f75362643bfc76acd5bc6357291907ff347d8ab03c119932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d42711359bbe8deeea8e1e3b43068b2be6c1abac8bee7fff3afd7adb92003f6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-04T21:43:32Z",
    "title_canon_sha256": "ed53230ded222ab72fdea5c8838489f641c1581d2b43d6e690f1efa45fe39423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1006",
    "kind": "arxiv",
    "version": 1
  }
}