Pith Number

pith:5YMXG2J4

pith:2018:5YMXG2J4AQLLGA54PZKN6MMDWH

not attested not anchored not stored refs pending

The impact of the metallicity and star formation rate on the time-dependent galaxy-wide stellar initial mass function

A. H. Zonoozi, A. Vazdekis, G. Beccari, P. Kroupa, T. Jerabkova, Z. Yan, Z.-Y. Zhang

arxiv:1809.04603 v1 · 2018-09-12 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YMXG2J4AQLLGA54PZKN6MMDWH}

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	2026-05-17T23:59:49.872505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee1973693c0416b303bc7e54df3183b1db4630c2c8ee3c22b0a96a454c1f2a42

Aliases

arxiv: 1809.04603 · arxiv_version: 1809.04603v1 · doi: 10.48550/arxiv.1809.04603 · pith_short_12: 5YMXG2J4AQLL · pith_short_16: 5YMXG2J4AQLLGA54 · pith_short_8: 5YMXG2J4

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/5YMXG2J4AQLLGA54PZKN6MMDWH \
  | 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: ee1973693c0416b303bc7e54df3183b1db4630c2c8ee3c22b0a96a454c1f2a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c66f933ef92a300dc1ae5abf312cd1252e345d9810aca14b421c061650ae414",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-12T18:00:01Z",
    "title_canon_sha256": "f97d4616b08fe8c2d430aa59e83dbd54caf3fa0080c28067377389eebbad6360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04603",
    "kind": "arxiv",
    "version": 1
  }
}