Pith Number

pith:SUNN4NRM

pith:2012:SUNN4NRMHUZVJ4FEMDMHVDELI5

not attested not anchored not stored refs pending

The double sub-giant branch of NGC 6656 (M22): a chemical characterization

A. Aparicio, A. F. Marino, A. P. Milone, C. Sneden, G. Piotto, G. Wallerstein, I. U. Roederer, K. Lind, M. Asplund, M. Bergemann, M. Hilker, M. Zoccali, P. B. Stetson, R. L. Bedin, R. P. Kraft, S. Cassisi, Y. Momany

arxiv:1202.2825 v1 · 2012-02-13 · 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{SUNN4NRMHUZVJ4FEMDMHVDELI5}

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	2026-05-18T01:58:29.079745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

951ade362c3d3354f0a460d87a8c8b47553e2702d29d1e8b114a7dd8541dfa2e

Aliases

arxiv: 1202.2825 · arxiv_version: 1202.2825v1 · doi: 10.48550/arxiv.1202.2825 · pith_short_12: SUNN4NRMHUZV · pith_short_16: SUNN4NRMHUZVJ4FE · pith_short_8: SUNN4NRM

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/SUNN4NRMHUZVJ4FEMDMHVDELI5 \
  | 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: 951ade362c3d3354f0a460d87a8c8b47553e2702d29d1e8b114a7dd8541dfa2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab8dc5e6cdf60781ac68638544c44eb7ff5b28687e2e93fdac3b968456d629e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-13T19:26:22Z",
    "title_canon_sha256": "238bb38088fcda0a5f388b72ce2af715c03c9474f5f2b046ebdb78c5e49f8a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2825",
    "kind": "arxiv",
    "version": 1
  }
}