Pith Number

pith:PGXKD25N

pith:2018:PGXKD25NZSAZI2Z5Z2VSCZXBR5

not attested not anchored not stored refs pending

Local anti-correlation between star-formation rate and gas-phase metallicity in disk galaxies

2), (2) Departamento de Astrofisica, (3) Center for Astrophysics, 4), (4) Departamento de Engenharia Fisica, 5) ((1) Instituto de Astrofisica de Canarias, (5) Instituto de Astrofisica de Andalucia, C. Munoz-Tunon (1, Gravitation - CENTRA/SIM, J. Sanchez Almeida (1, M. Cervino (1, M. Filho (3, N. Caon (1, Portugal, Spain, Spain), Universidad de La Laguna, Universidade de Lisboa, Universidade do Porto

arxiv:1802.08111 v1 · 2018-02-22 · 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{PGXKD25NZSAZI2Z5Z2VSCZXBR5}

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	2026-05-18T00:15:57.639035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79aea1ebadcc81946b3dceab2166e18f796235961258bd908e5775e02e1d8e49

Aliases

arxiv: 1802.08111 · arxiv_version: 1802.08111v1 · doi: 10.48550/arxiv.1802.08111 · pith_short_12: PGXKD25NZSAZ · pith_short_16: PGXKD25NZSAZI2Z5 · pith_short_8: PGXKD25N

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/PGXKD25NZSAZI2Z5Z2VSCZXBR5 \
  | 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: 79aea1ebadcc81946b3dceab2166e18f796235961258bd908e5775e02e1d8e49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844d2ef9b7ccc74a1041f15daba60c569555894f7b5cd116f5005f79b54bcfd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-22T15:50:31Z",
    "title_canon_sha256": "85f1af46c16cb3c53e2301d3be5c15de949ebdd401d7da99bb93aa713270a53f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08111",
    "kind": "arxiv",
    "version": 1
  }
}