Pith Number

pith:SCMBXTJQ

pith:2019:SCMBXTJQ4EF7QQ6WCNWLTJ2KQV

not attested not anchored not stored refs pending

The influence of a top-heavy integrated galactic IMF and dust on the chemical evolution of high-redshift starbursts

Elena Lacchin, Fiorenzo Vincenzo, Francesca Matteucci, Francesco Calura, Marco Palla, Xilong Fan

arxiv:1908.06832 v3 · 2019-08-19 · 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{SCMBXTJQ4EF7QQ6WCNWLTJ2KQV}

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	2026-07-05T00:55:03.362845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c

Aliases

arxiv: 1908.06832 · arxiv_version: 1908.06832v3 · doi: 10.48550/arxiv.1908.06832 · pith_short_12: SCMBXTJQ4EF7 · pith_short_16: SCMBXTJQ4EF7QQ6W · pith_short_8: SCMBXTJQ

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/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV \
  | 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: 90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5c65cc7614f95bdb9fc6dbd9a7c06acef2cee8daa9ce02722c47d8164734056",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-19T14:34:15Z",
    "title_canon_sha256": "d662b7b8a2214f3a53d12252e40607b4b571a109ef525bb06cb538f730d16c0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06832",
    "kind": "arxiv",
    "version": 3
  }
}