Pith Number

pith:NCFW7D7V

pith:2010:NCFW7D7VDJTIZGTGD27IBQBY7P

not attested not anchored not stored refs pending

Tracing the evolution of NGC6397 through the chemical composition of its stellar populations

C. Charbonnel, F. Grundahl, F. Primas, K. Lind, M. Asplund, T. Decressin

arxiv:1012.0477 v2 · 2010-12-02 · 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{NCFW7D7VDJTIZGTGD27IBQBY7P}

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	2026-05-18T02:04:35.950634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

688b6f8ff51a668c9a661ebe80c038fbe87a1a3dab61c0df7c9b2d41b6572203

Aliases

arxiv: 1012.0477 · arxiv_version: 1012.0477v2 · doi: 10.48550/arxiv.1012.0477 · pith_short_12: NCFW7D7VDJTI · pith_short_16: NCFW7D7VDJTIZGTG · pith_short_8: NCFW7D7V

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/NCFW7D7VDJTIZGTGD27IBQBY7P \
  | 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: 688b6f8ff51a668c9a661ebe80c038fbe87a1a3dab61c0df7c9b2d41b6572203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10eb47a77834d9c5821660cf679735ca50509b9208bc9740a98d53a8f17c85b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-02T16:28:08Z",
    "title_canon_sha256": "a308673379e1d66d43d05bbbf505925d36b2d8a1cc45e80b265ac722ee4a3db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0477",
    "kind": "arxiv",
    "version": 2
  }
}