Pith Number

pith:XNK46TH3

pith:2019:XNK46TH3MAVC3SVWNAGPYL3NPH

not attested not anchored not stored refs pending

A Characteristic Mass Scale in the Mass-Metallicity Relation of Galaxies

2), (2) Departamento de Astronom\'ia, 3) ((1) Observatories of the Carnegie Institution for Science, (3) Max Planck Institut f\"ur Astronomie), Andrew Benson (1), Antonios Katsianis (2), Guillermo A. Blanc (1, Marcelo Barraza (2, Universidad de Chile, Yu Lu (1)

arxiv:1904.02721 v1 · 2019-04-04 · 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{XNK46TH3MAVC3SVWNAGPYL3NPH}

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	2026-05-17T23:44:54.613381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb55cf4cfb602a2dcab6680cfc2f6d79eecfb7b6f1e28f9e2839af25851ac459

Aliases

arxiv: 1904.02721 · arxiv_version: 1904.02721v1 · doi: 10.48550/arxiv.1904.02721 · pith_short_12: XNK46TH3MAVC · pith_short_16: XNK46TH3MAVC3SVW · pith_short_8: XNK46TH3

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/XNK46TH3MAVC3SVWNAGPYL3NPH \
  | 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: bb55cf4cfb602a2dcab6680cfc2f6d79eecfb7b6f1e28f9e2839af25851ac459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cda9220eecf6acd71a8993623d6e14631bd5874620bbfeae044ff007b884a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-04T18:00:05Z",
    "title_canon_sha256": "02bce164e6370bfa28d849cb4e49ce05caeecd8700887a632fe9b147bca69760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02721",
    "kind": "arxiv",
    "version": 1
  }
}