Pith Number

pith:Z2XNUD2G

pith:2024:Z2XNUD2GIYK7B7NWLW6I2QLL4O

not attested not anchored not stored refs pending

Probing Chemical Enrichment in Extremely Metal-Poor Galaxies

Akinori Matsumoto, Keita Fukushima, Kentaro Nagamine, Masami Ouchi, Takayuki Saitoh, Yuki Isobe, Yutaka Hirai

arxiv:2401.06450 v3 · 2024-01-12 · 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{Z2XNUD2GIYK7B7NWLW6I2QLL4O}

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.

Cited by

1 paper in Pith

EMPRESS. XV. A New Determination of the Primordial Helium Abundance Suggesting a Moderately Low $Y_\mathrm{P}$ Value

Receipt and verification

First computed	2026-07-05T11:29:47.207724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceaeda0f464615f0fdb65dbc8d416be391eae680d8d87885de5d870b883e5caa

Aliases

arxiv: 2401.06450 · arxiv_version: 2401.06450v3 · doi: 10.48550/arxiv.2401.06450 · pith_short_12: Z2XNUD2GIYK7 · pith_short_16: Z2XNUD2GIYK7B7NW · pith_short_8: Z2XNUD2G

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/Z2XNUD2GIYK7B7NWLW6I2QLL4O \
  | 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: ceaeda0f464615f0fdb65dbc8d416be391eae680d8d87885de5d870b883e5caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa5adce871ee9975633ae0c1dc0f2230771732067e5207d5836af8f726ba35c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-01-12T08:46:58Z",
    "title_canon_sha256": "3853f161024532cbf23b1957e0bc33cd854665ada26342fd725bfab595a26144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.06450",
    "kind": "arxiv",
    "version": 3
  }
}