Pith Number

pith:L23GWFHB

pith:2007:L23GWFHBJWJYPHWBMZBFWXODY2

not attested not anchored not stored refs pending

The first determination of the actinide Th abundance for a red giant of the Ursa Minor dwarf galaxy

Kozo Sadakane, Nobuo Arimoto, Satoshi Honda, Wako Aoki

arxiv:0704.3104 v1 · 2007-04-24 · 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{L23GWFHBJWJYPHWBMZBFWXODY2}

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	2026-05-18T02:16:31.538717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eb66b14e14d93879ec166425b5dc3c6b1e22d6529584b742672413d8847fc6d

Aliases

arxiv: 0704.3104 · arxiv_version: 0704.3104v1 · doi: 10.48550/arxiv.0704.3104 · pith_short_12: L23GWFHBJWJY · pith_short_16: L23GWFHBJWJYPHWB · pith_short_8: L23GWFHB

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/L23GWFHBJWJYPHWBMZBFWXODY2 \
  | 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: 5eb66b14e14d93879ec166425b5dc3c6b1e22d6529584b742672413d8847fc6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10f27827376dd0134d90044742242d26e368d0bf81691502337b46c450906bf9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-24T01:52:22Z",
    "title_canon_sha256": "cea191ffb96a437b7900393b9b93cf1d4be3178a56fcb01daacf89876610ca29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3104",
    "kind": "arxiv",
    "version": 1
  }
}