Pith Number

pith:CCPSIHHL

pith:2015:CCPSIHHL7VPGHBPRUJYFKPT4DA

not attested not anchored not stored refs pending

Deep SDSS optical spectroscopy of distant halo stars II. Iron, calcium, and magnesium abundances

A. C. Robin, A. Simmons, C. Allende Prieto, D. Bizyaev, D. Oravetz, D. P. Schneider, E. Fern\'andez-Alvar, E. Malanushenko, G. Ebelke, K. J. Schlesinger, K. Pan, T. C. Beers, V. Malanushenko, Y. S. Lee

arxiv:1503.04362 v1 · 2015-03-14 · 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{CCPSIHHL7VPGHBPRUJYFKPT4DA}

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	2026-05-18T02:04:06.090169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109f241cebfd5e6385f1a270553e7c1806ee1d60c0a244e974b832975de1362e

Aliases

arxiv: 1503.04362 · arxiv_version: 1503.04362v1 · doi: 10.48550/arxiv.1503.04362 · pith_short_12: CCPSIHHL7VPG · pith_short_16: CCPSIHHL7VPGHBPR · pith_short_8: CCPSIHHL

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/CCPSIHHL7VPGHBPRUJYFKPT4DA \
  | 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: 109f241cebfd5e6385f1a270553e7c1806ee1d60c0a244e974b832975de1362e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dffffc05109ba330c6515917991cf6824828e99b7bdc39f21935b9e2444d1ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-14T23:47:30Z",
    "title_canon_sha256": "6c27a4ec7b53a787d32d5fa056b47af056be445a5f5fb720e6f367d3483dd968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04362",
    "kind": "arxiv",
    "version": 1
  }
}