Pith Number

pith:XO45PCEV

pith:2015:XO45PCEVA4YAHSQ7JKALWHCYY6

not attested not anchored not stored refs pending

A Young White Dwarf with an Infrared Excess

B. Klein, B. Pantoja, B. Zuckerman, H. Y. A. Meng, K. Y. L. Su, M. Jura, S. Xu

arxiv:1505.02614 v1 · 2015-05-11 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XO45PCEVA4YAHSQ7JKALWHCYY6}

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	2026-05-18T01:46:14.622755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbb9d78895073003ca1f4a80bb1c58c792610961159c29437f752b8f9ac23c2a

Aliases

arxiv: 1505.02614 · arxiv_version: 1505.02614v1 · doi: 10.48550/arxiv.1505.02614 · pith_short_12: XO45PCEVA4YA · pith_short_16: XO45PCEVA4YAHSQ7 · pith_short_8: XO45PCEV

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/XO45PCEVA4YAHSQ7JKALWHCYY6 \
  | 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: bbb9d78895073003ca1f4a80bb1c58c792610961159c29437f752b8f9ac23c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e01427412151c0a0661ad78b1e2e1bb3e5ce822f24646a735287680028862b3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-11T13:48:28Z",
    "title_canon_sha256": "0a8748a584f9d67f342141f34525858a7abc28fd6ec127c0b8f96125eaf4c651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02614",
    "kind": "arxiv",
    "version": 1
  }
}