Pith Number

pith:IPU5XKS6

pith:2019:IPU5XKS666PLLVC2RF5FJDDU2X

not attested not anchored not stored refs pending

Comprehensive abundance analysis of red giants in the open clusters Stock 2, NGC 2168, 6475, 6991 and 7762

Arumalla B. S. Reddy (1), David L. Lambert (1) ((1) W.J. McDonald Observatory, Department of Astronomy, The University of Texas at Austin, USA.)

arxiv:1902.02939 v1 · 2019-02-08 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPU5XKS666PLLVC2RF5FJDDU2X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:53:20.424807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e9dbaa5ef79eb5d45a897a548c74d5d1ef44a0b96115f1cf8227fd92af80a4

Aliases

arxiv: 1902.02939 · arxiv_version: 1902.02939v1 · doi: 10.48550/arxiv.1902.02939 · pith_short_12: IPU5XKS666PL · pith_short_16: IPU5XKS666PLLVC2 · pith_short_8: IPU5XKS6

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/IPU5XKS666PLLVC2RF5FJDDU2X \
  | 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: 43e9dbaa5ef79eb5d45a897a548c74d5d1ef44a0b96115f1cf8227fd92af80a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55678a64ef28aa151e1c92ed6f7ce805e890fd2cc1f214014e858b3fb9d9b1e9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-08T04:57:08Z",
    "title_canon_sha256": "606c1f7ee852eaa853f32af731f02db5cf8c7e5858704baee9f5aa333a9e5358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02939",
    "kind": "arxiv",
    "version": 1
  }
}