Pith Number

pith:Z3THRBV7

pith:1999:Z3THRBV72JE46I5N42DSUZSGPJ

not attested not anchored not stored refs pending

Chemical Evolution in the Large Magellanic Cloud

G. Watanabe, S. Nagataki

arxiv:astro-ph/9907108 v2 · 1999-07-08 · 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{Z3THRBV72JE46I5N42DSUZSGPJ}

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	2026-05-18T01:40:12.945446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cee67886bfd249cf23ade6872a66467a53b762fa6d6864b77f7ce313e03ebccc

Aliases

arxiv: astro-ph/9907108 · arxiv_version: astro-ph/9907108v2 · doi: 10.48550/arxiv.astro-ph/9907108 · pith_short_12: Z3THRBV72JE4 · pith_short_16: Z3THRBV72JE46I5N · pith_short_8: Z3THRBV7

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/Z3THRBV72JE46I5N42DSUZSGPJ \
  | 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: cee67886bfd249cf23ade6872a66467a53b762fa6d6864b77f7ce313e03ebccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0b9d21b2ea701456ac971e0cc02d6e89d1ec9594dfe1e44fc8c66a16871efe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-08T14:01:35Z",
    "title_canon_sha256": "e1e7ea02815a510024f1b09a52dd5164620e88360f7f07437d6821859f15210b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907108",
    "kind": "arxiv",
    "version": 2
  }
}