Pith Number

pith:PPVZPHOZ

pith:2014:PPVZPHOZ2U4MUXH37SINK4CLLN

not attested not anchored not stored refs pending

On the fine structure of the Cepheid metallicity gradient in the Galactic thin disk

B. Lemasle, C.D. Laney, F. Primas, F. Thevenin, G. Bono, G. Iannicola, I. Ferraro, K. Genovali, L. Inno, M. Bergemann, M. Fabrizio, M. Nonino, M. Romaniello, N. Matsunaga, P. Francois, R. Buonanno, R.-P. Kudritzki, S. Pedicelli

arxiv:1403.6128 v1 · 2014-03-24 · 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{PPVZPHOZ2U4MUXH37SINK4CLLN}

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	2026-05-18T02:50:33.614549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7beb979dd9d538ca5cfbfc90d5704b5b4abe0268be667d58bf7c61a44b4633f9

Aliases

arxiv: 1403.6128 · arxiv_version: 1403.6128v1 · doi: 10.48550/arxiv.1403.6128 · pith_short_12: PPVZPHOZ2U4M · pith_short_16: PPVZPHOZ2U4MUXH3 · pith_short_8: PPVZPHOZ

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/PPVZPHOZ2U4MUXH37SINK4CLLN \
  | 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: 7beb979dd9d538ca5cfbfc90d5704b5b4abe0268be667d58bf7c61a44b4633f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06a575df6048d912d9aaad8d7d693e4f19f6e31cfe2ba8ab630f94fdd1550a9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-24T20:00:48Z",
    "title_canon_sha256": "cf423b8275b0c7c592d73569f9e346c20c544a45eef7a50da9d674eab565b9d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6128",
    "kind": "arxiv",
    "version": 1
  }
}