Pith Number

pith:MN2HHBKJ

pith:2012:MN2HHBKJR4L7D7AYRHD2AOV777

not attested not anchored not stored refs pending

The Most Metal-Poor Stars. II. Chemical Abundances of 190 Metal-Poor Stars Including 10 New Stars With [Fe/H] < -3.5

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

arxiv:1208.3003 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{MN2HHBKJR4L7D7AYRHD2AOV777}

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	2026-05-18T01:55:15.852807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63747385498f17f1fc1889c7a03abfffd9f95a1c230abf2c5c0e3ad68243b452

Aliases

arxiv: 1208.3003 · arxiv_version: 1208.3003v1 · doi: 10.48550/arxiv.1208.3003 · pith_short_12: MN2HHBKJR4L7 · pith_short_16: MN2HHBKJR4L7D7AY · pith_short_8: MN2HHBKJ

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/MN2HHBKJR4L7D7AYRHD2AOV777 \
  | 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: 63747385498f17f1fc1889c7a03abfffd9f95a1c230abf2c5c0e3ad68243b452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76d8122d6342a9e9188d01f99eb47d1814088dc095f070756ab8df683fb39669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-15T01:02:27Z",
    "title_canon_sha256": "0e1914fcaf929d9e88800e283014dc0868d3aa75f597509f15013ec4719b472c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3003",
    "kind": "arxiv",
    "version": 1
  }
}