Pith Number

pith:KSNFKXBH

pith:2013:KSNFKXBHNVRF2HHSUZEGANOAEN

not attested not anchored not stored refs pending

Metal-Poor Stars Observed with the Magellan Telescope I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-Process Nucleosynthesis

Amanda I. Karakas, Anna Frebel, Catherine R. Kennedy, Norbert Christlieb, Richard J. Stancliffe, Silvia Rossi, Timothy C. Beers, Vinicius M. Placco

arxiv:1304.7869 v1 · 2013-04-30 · astro-ph.GA · 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{KSNFKXBHNVRF2HHSUZEGANOAEN}

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	2026-05-18T01:50:14.284137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

549a555c276d625d1cf2a6486035c02370892709ea7365c07b7bb0f2a3e98c82

Aliases

arxiv: 1304.7869 · arxiv_version: 1304.7869v1 · doi: 10.48550/arxiv.1304.7869 · pith_short_12: KSNFKXBHNVRF · pith_short_16: KSNFKXBHNVRF2HHS · pith_short_8: KSNFKXBH

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/KSNFKXBHNVRF2HHSUZEGANOAEN \
  | 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: 549a555c276d625d1cf2a6486035c02370892709ea7365c07b7bb0f2a3e98c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e99bd9699c06f22c0ecf3defbc5e515c7fe2e3056b4ce791c47452cfa8ec892e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-30T04:27:48Z",
    "title_canon_sha256": "c3264e8d5e86289e476363689835632720080585573af38e85c5afecf21d6338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7869",
    "kind": "arxiv",
    "version": 1
  }
}