Pith Number

pith:WDA7I4AP

pith:2015:WDA7I4APKVZCMDRY2CCYKIW7ZC

not attested not anchored not stored refs pending

Chemical Feature of Eu abundance in the Draco dwarf spheroidal galaxy

Miho N. Ishigaki, Takuji Tsujimoto, Toshikazu Shigeyama, Wako Aoki

arxiv:1504.03357 v1 · 2015-04-13 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDA7I4APKVZCMDRY2CCYKIW7ZC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:46:15.061034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0c1f4700f5572260e38d0858522dfc89eebabe72a563e0f9fc38fffe9ef4492

Aliases

arxiv: 1504.03357 · arxiv_version: 1504.03357v1 · doi: 10.48550/arxiv.1504.03357 · pith_short_12: WDA7I4APKVZC · pith_short_16: WDA7I4APKVZCMDRY · pith_short_8: WDA7I4AP

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/WDA7I4APKVZCMDRY2CCYKIW7ZC \
  | 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: b0c1f4700f5572260e38d0858522dfc89eebabe72a563e0f9fc38fffe9ef4492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a24e4e61b330c45b739913a0af88c7ab51e72c71a5005111afbf192f729b3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-13T20:43:30Z",
    "title_canon_sha256": "2a950b35378824317142d9b90bb57c83b078241b282bc760b2e2d6404b659d7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03357",
    "kind": "arxiv",
    "version": 1
  }
}