Pith Number

pith:KCUVVJQR

pith:2013:KCUVVJQRITM4RONHZW2MF7GZNL

not attested not anchored not stored refs pending

Molecular bands in extremely metal-poor stars. Granulation effects

1), (2) LSW - ZAH, (3) LUPM, (4) AIP), Bertrand Plez (3), Elisabetta Caffau (2, Fran\c{c}ois Spite (1)((1) GEPI, Hans-G\"unter Ludwig (2, Matthias Steffen (4, Monique Spite (1), Piercarlo Bonifacio (1)

arxiv:1305.2065 v2 · 2013-05-09 · 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{KCUVVJQRITM4RONHZW2MF7GZNL}

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	2026-05-18T03:21:43.018783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50a95aa61144d9c8b9a7cdb4c2fcd96afbe1db947b3f1faa36d108b05539b5e6

Aliases

arxiv: 1305.2065 · arxiv_version: 1305.2065v2 · doi: 10.48550/arxiv.1305.2065 · pith_short_12: KCUVVJQRITM4 · pith_short_16: KCUVVJQRITM4RONH · pith_short_8: KCUVVJQR

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/KCUVVJQRITM4RONHZW2MF7GZNL \
  | 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: 50a95aa61144d9c8b9a7cdb4c2fcd96afbe1db947b3f1faa36d108b05539b5e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd411050088b713f23839b2f17bf2335c1a5433b315c2f0f28f0712d86f98163",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-09T12:07:37Z",
    "title_canon_sha256": "5aa2660744f4022fddd5d2039469f90e0323a931d4cf8927b73fd8004dc23a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2065",
    "kind": "arxiv",
    "version": 2
  }
}