Pith Number

pith:24DNB6ET

pith:2012:24DNB6ETD2XJHYJWMNBAOL5BEQ

not attested not anchored not stored refs pending

The Most Metal-Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction

Anna Frebel, David Yong, John E. Norris, M. Asplund, M. S. Bessell, N. Christlieb, P. S. Barklem, S. G. Ryan, Timothy C. Beers

arxiv:1208.3016 v1 · 2012-08-15 · 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{24DNB6ETD2XJHYJWMNBAOL5BEQ}

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	2026-05-18T01:55:15.822133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d706d0f8931eae93e1366342072fa1241a79ade3d4749608600b3537a54f72b3

Aliases

arxiv: 1208.3016 · arxiv_version: 1208.3016v1 · doi: 10.48550/arxiv.1208.3016 · pith_short_12: 24DNB6ETD2XJ · pith_short_16: 24DNB6ETD2XJHYJW · pith_short_8: 24DNB6ET

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/24DNB6ETD2XJHYJWMNBAOL5BEQ \
  | 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: d706d0f8931eae93e1366342072fa1241a79ade3d4749608600b3537a54f72b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c4925d1f854eac0a18d1c6d5d99b383b3a7a1d7944183fcb968d8aa3b4477b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-15T02:24:20Z",
    "title_canon_sha256": "adfed512af079e903fdd632deecf3457269510b1a7465c193b6956a5d7b1823e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3016",
    "kind": "arxiv",
    "version": 1
  }
}