Pith Number

pith:II573BIW

pith:2013:II573BIWOMTDAG5Z7W2NXXCXH4

not attested not anchored not stored refs pending

The metallicity - redshift relations for emission-line SDSS galaxies: examination of the dependence on the star formation rate

A.R.Lopez-Sanchez (AAO, Australia), C.Kehrig (IAA, Copenhagen, Denmark), E.K.Grebel (ARI, Germany), Granada, Heidelberg, I.A.Zinchenko (MAO, J.M.Vilchez (IAA, Kiev, L.Mattsson (DARK Cosmology Centre, L.S.Pilyugin (MAO, M.A.Lara-Lopez (AAO, Spain), Ukraine)

arxiv:1304.0191 v1 · 2013-03-31 · 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{II573BIWOMTDAG5Z7W2NXXCXH4}

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	2026-05-18T01:50:50.726353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

423bfd85167326301bb9fdb4dbdc573f1bfcb4c0d88aaf5236f556092be2d679

Aliases

arxiv: 1304.0191 · arxiv_version: 1304.0191v1 · doi: 10.48550/arxiv.1304.0191 · pith_short_12: II573BIWOMTD · pith_short_16: II573BIWOMTDAG5Z · pith_short_8: II573BIW

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/II573BIWOMTDAG5Z7W2NXXCXH4 \
  | 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: 423bfd85167326301bb9fdb4dbdc573f1bfcb4c0d88aaf5236f556092be2d679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce1a6bb95e2f95e349fb5783dcf85ce474bed4ae8c15a136225bd2dd3461b92b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-31T11:36:52Z",
    "title_canon_sha256": "e8a2019c86a0e334d664f6e6322664e82bc5303624c1b32b9a4546283a04d261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0191",
    "kind": "arxiv",
    "version": 1
  }
}