Pith Number

pith:4IPLCKBG

pith:2018:4IPLCKBG6N55IEIS4F44CMLP33

not attested not anchored not stored refs pending

A dynamical view on stellar metallicity gradient diversity across the Hubble sequence with CALIFA

Anna Gallazzi, Glenn van de Ven, Jes\'us Falc\'on-Barroso, Ling Zhu, Mariya Lyubenova, Ryan Leaman, Stefano Zibetti, Yulong Zhuang

arxiv:1810.12223 v1 · 2018-10-29 · 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{4IPLCKBG6N55IEIS4F44CMLP33}

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	2026-05-17T23:59:48.788512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21eb12826f37bd41112e179c1316fded748c5b219f2494e2736047063ad334e

Aliases

arxiv: 1810.12223 · arxiv_version: 1810.12223v1 · doi: 10.48550/arxiv.1810.12223 · pith_short_12: 4IPLCKBG6N55 · pith_short_16: 4IPLCKBG6N55IEIS · pith_short_8: 4IPLCKBG

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/4IPLCKBG6N55IEIS4F44CMLP33 \
  | 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: e21eb12826f37bd41112e179c1316fded748c5b219f2494e2736047063ad334e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d728da44088877185100725864cabe2395b32e2ea137d45f360f1713c900c7d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-29T16:10:40Z",
    "title_canon_sha256": "5d3b091a62da6ab66836b91afdd5041e14f1a83229a50e74491c85feab940df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12223",
    "kind": "arxiv",
    "version": 1
  }
}