Pith Number

pith:JA5EHDAB

pith:2004:JA5EHDABTXOCWFRJQ727B7UAGS

not attested not anchored not stored refs pending

Initial mass function and galactic chemical evolution models

(2) INAF, (3) Dipartimento di Astronomia, Cristina Chiappini (2), Donatella Romano (1), Francesca Matteucci (3), Monica Tosi (1) ((1) INAF, Osservatorio Astronomico di Bologna, Osservatorio Astronomico di Trieste, Univ. di Trieste)

arxiv:astro-ph/0409474 v1 · 2004-09-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JA5EHDABTXOCWFRJQ727B7UAGS}

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	2026-05-18T01:27:16.586397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

483a438c019ddc2b162987f5f0fe8034b0ae44e35072bc674da1d277deda8f05

Aliases

arxiv: astro-ph/0409474 · arxiv_version: astro-ph/0409474v1 · doi: 10.48550/arxiv.astro-ph/0409474 · pith_short_12: JA5EHDABTXOC · pith_short_16: JA5EHDABTXOCWFRJ · pith_short_8: JA5EHDAB

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/JA5EHDABTXOCWFRJQ727B7UAGS \
  | 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: 483a438c019ddc2b162987f5f0fe8034b0ae44e35072bc674da1d277deda8f05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e43cf81625944e87a8457076536ae615936904285fed1850ebaf4ca5ae3bff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-20T14:41:51Z",
    "title_canon_sha256": "8c1ab9eb19c8b95cf6f018b505bdd3b549e7dedec8f56e3924a0390a457debcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409474",
    "kind": "arxiv",
    "version": 1
  }
}