Pith Number

pith:2MV45V5Y

pith:2013:2MV45V5YT4Y6UOD3HE2VGRH6DP

not attested not anchored not stored refs pending

NGC 2579 and the carbon and oxygen abundance gradients beyond the solar circle

A. Mesa-Delgado, C. Esteban, D. P\'equignot, H. O. Casta\~neda, J. Garc\'ia-Rojas, L. Carigi, M. V. F. Copetti

arxiv:1304.6927 v1 · 2013-04-25 · 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{2MV45V5YT4Y6UOD3HE2VGRH6DP}

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	2026-05-18T01:50:21.880448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d32bced7b89f31ea387b39355344fe1be661a33dd81863f56e538c9cdf0f0897

Aliases

arxiv: 1304.6927 · arxiv_version: 1304.6927v1 · doi: 10.48550/arxiv.1304.6927 · pith_short_12: 2MV45V5YT4Y6 · pith_short_16: 2MV45V5YT4Y6UOD3 · pith_short_8: 2MV45V5Y

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/2MV45V5YT4Y6UOD3HE2VGRH6DP \
  | 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: d32bced7b89f31ea387b39355344fe1be661a33dd81863f56e538c9cdf0f0897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c11d0cda2cfe2f0fbf5686bc780c6bc4b36ed85c20db1410576e6a8819e810a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-25T14:53:15Z",
    "title_canon_sha256": "000dae1cde023eaf9325daece75ab00e22ea190d973c85db84f1c1aab595d77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6927",
    "kind": "arxiv",
    "version": 1
  }
}