Pith Number

pith:KM4OYYPI

pith:2013:KM4OYYPIC7QPMF2YORSPYJUM7I

not attested not anchored not stored refs pending

On the origin of the fundamental metallicity relation and the scatter in galaxy scaling relations

Andreas Burkert, Avishai Dekel, John C. Forbes, Mark R. Krumholz

arxiv:1311.1509 v1 · 2013-11-06 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KM4OYYPIC7QPMF2YORSPYJUM7I}

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	2026-05-18T01:46:38.118575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5338ec61e817e0f617587464fc268cfa080635476634efd9c4e6c1fb15a3def2

Aliases

arxiv: 1311.1509 · arxiv_version: 1311.1509v1 · doi: 10.48550/arxiv.1311.1509 · pith_short_12: KM4OYYPIC7QP · pith_short_16: KM4OYYPIC7QPMF2Y · pith_short_8: KM4OYYPI

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/KM4OYYPIC7QPMF2YORSPYJUM7I \
  | 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: 5338ec61e817e0f617587464fc268cfa080635476634efd9c4e6c1fb15a3def2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa2bb46135ef781fc5f634859733682d8ab22a9aa0b060abdf2ddc5072279982",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-06T21:00:02Z",
    "title_canon_sha256": "67837e898498b29872f9025918c7a4b882ef8a462a2fd21b01dbc28155ef127e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1509",
    "kind": "arxiv",
    "version": 1
  }
}