Pith Number

pith:JWVE6NAQ

pith:2013:JWVE6NAQSURONCD644EP7KIHRK

not attested not anchored not stored refs pending

The Near Infrared Ca II Triplet as Metallicity Indicator: II Extension to extremely metal-poor metallicity regimes

2), 2)((1) Instituto de Astrofisica de Canarias, (2) Departamento de Astrof\'isica, (3) Osservatorio Astronomico di Bologna, 4), (4) ASI Science Data Center, A. del Pino (1, C. Gallart (1, E. Pancino (3, Italy, Italy), R. Carrera (1, Spain, Universidad de La Laguna

arxiv:1306.3883 v1 · 2013-06-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWVE6NAQSURONCD644EP7KIHRK}

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	2026-05-18T01:49:16.157258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4daa4f34109522e6887ee708ffa9078a9ce7ba5481cfacc2fa1f95864b6504d3

Aliases

arxiv: 1306.3883 · arxiv_version: 1306.3883v1 · doi: 10.48550/arxiv.1306.3883 · pith_short_12: JWVE6NAQSURO · pith_short_16: JWVE6NAQSURONCD6 · pith_short_8: JWVE6NAQ

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/JWVE6NAQSURONCD644EP7KIHRK \
  | 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: 4daa4f34109522e6887ee708ffa9078a9ce7ba5481cfacc2fa1f95864b6504d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8b58d5a28d38f677dc49f5c4805c11a1b567e1a575a31edc422b01a6d9d7f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-17T14:58:42Z",
    "title_canon_sha256": "677152735d2836e2b03b5bd0c122b9073ac534f1899eb347165e18c8323ca8f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3883",
    "kind": "arxiv",
    "version": 1
  }
}