Pith Number

pith:X3VGRZVC

pith:2013:X3VGRZVCZHJ2ONKMTILBNI3TSJ

not attested not anchored not stored refs pending

Star Clusters in M31. V. Evidence for Self-Enrichment in Old M31 Clusters from Integrated Spectroscopy

Charlie Conroy, Genevieve J. Graves, Jay Strader, Lauren A. MacArthur, Nelson Caldwell, Paul Harding, Ricardo P. Schiavon, Stephane Courteau

arxiv:1308.6590 v1 · 2013-08-29 · 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{X3VGRZVCZHJ2ONKMTILBNI3TSJ}

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	2026-05-18T01:47:56.707854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beea68e6a2c9d3a7354c9a1616a373924d94647fb2ed0d6510c6a992b8fc960f

Aliases

arxiv: 1308.6590 · arxiv_version: 1308.6590v1 · doi: 10.48550/arxiv.1308.6590 · pith_short_12: X3VGRZVCZHJ2 · pith_short_16: X3VGRZVCZHJ2ONKM · pith_short_8: X3VGRZVC

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/X3VGRZVCZHJ2ONKMTILBNI3TSJ \
  | 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: beea68e6a2c9d3a7354c9a1616a373924d94647fb2ed0d6510c6a992b8fc960f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f56e59e60f849694d173ab42e4e3e1aaf09fffcd8cde0e6a64d8dfe350826c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-29T20:01:04Z",
    "title_canon_sha256": "d5be07c318057fb87a20acfa94ed8489a4b2bdec26b96b47e3984910a236980c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6590",
    "kind": "arxiv",
    "version": 1
  }
}