Pith Number

pith:QMDPGNRD

pith:2014:QMDPGNRDT4MPQRA3CUJCXKF7LQ

not attested not anchored not stored refs pending

Comparing M31 and Milky Way Satellites: The Extended Star Formation Histories of Andromeda II and Andromeda XVI

Alan McConnachie, Andrew A. Cole, Andrew E. Dolphin, Antonio Aparicio, Carme Gallart, Daniel R. Weisz, Edouard J. Bernard, Evan D. Skillman, Henry C. Ferguson, Julio F. Navarro, Kristen B.W. McQuinn, Lucio Mayer, Matteo Monelli, Michael Boylan-Kolchin, Mike Irwin, Nicolas F. Martin, Peter B. Stetson, Santi Cassisi, Sebastian L. Hidalgo

arxiv:1405.4870 v1 · 2014-05-19 · astro-ph.GA · 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{QMDPGNRDT4MPQRA3CUJCXKF7LQ}

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	2026-05-18T01:43:10.619770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8306f336239f18f8441b15122ba8bf5c25b47cf6019ffb59654b2fb52f31a184

Aliases

arxiv: 1405.4870 · arxiv_version: 1405.4870v1 · doi: 10.48550/arxiv.1405.4870 · pith_short_12: QMDPGNRDT4MP · pith_short_16: QMDPGNRDT4MPQRA3 · pith_short_8: QMDPGNRD

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/QMDPGNRDT4MPQRA3CUJCXKF7LQ \
  | 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: 8306f336239f18f8441b15122ba8bf5c25b47cf6019ffb59654b2fb52f31a184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbe867066bdc89a6c8f01597113c50e19632c5793af58ff49be6ae350face667",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-19T20:00:33Z",
    "title_canon_sha256": "76640560c396bfd0e0c17b73c888c20f6e9c7525d571fadb355e20426fe616d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4870",
    "kind": "arxiv",
    "version": 1
  }
}