Pith Number

pith:2NP3EF75

pith:2013:2NP3EF75QCVTJZ77YVHEEQGS5S

not attested not anchored not stored refs pending

Modelling the nucleosynthetic properties of carbon-enhanced metal-poor RR Lyrae stars

Catherine R. Kennedy (RSAA), Herbert H. B. Lau (Argelander-Institut f\"ur Astronomie), JINA), Richard J. Stancliffe (Argelander-Institut f\"ur Astronomie, RSAA), Timothy C. Beers (NOAO

arxiv:1307.4762 v1 · 2013-07-17 · 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{2NP3EF75QCVTJZ77YVHEEQGS5S}

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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	2026-05-18T01:48:43.228026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35fb217fd80ab34e7ffc54e4240d2ec825f2cb985e8a3352c2dff6f9a9a4ec4

Aliases

arxiv: 1307.4762 · arxiv_version: 1307.4762v1 · doi: 10.48550/arxiv.1307.4762 · pith_short_12: 2NP3EF75QCVT · pith_short_16: 2NP3EF75QCVTJZ77 · pith_short_8: 2NP3EF75

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/2NP3EF75QCVTJZ77YVHEEQGS5S \
  | 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: d35fb217fd80ab34e7ffc54e4240d2ec825f2cb985e8a3352c2dff6f9a9a4ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ba59d2dbf561993c272717302cdcd808c1cff86eb01ac92d680993763c68873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-17T20:00:05Z",
    "title_canon_sha256": "e7c0a6fd8ce1fa32e2c13664b226c06c036e48a5542f8b254775cc03368751de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4762",
    "kind": "arxiv",
    "version": 1
  }
}