Pith Number

pith:NMULUAPD

pith:2015:NMULUAPDNILDKBZV7YEWHMW2R4

not attested not anchored not stored refs pending

Abundance Differences Between Exoplanet Binary Host Stars XO-2N and XO-2S -- Dependence on Stellar Parameters

Carnegie Origins Fellow), Johanna K. Teske (Carnegie DTM/OCIW, Katia Cunha (Steward Observatory, Luan Ghezzi (Harvard SAO), Maria Bergemann (MPIA), Observatorio Nacional), Simon C. Schuler (University of Tampa), University of Arizona, Verne V. Smith (NOAO)

arxiv:1501.02167 v2 · 2015-01-09 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMULUAPDNILDKBZV7YEWHMW2R4}

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	2026-05-18T01:41:11.928616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b28ba01e36a16350735fe0963b2da8f3d1a4cc993a0087c6c685b939e1d8e1e

Aliases

arxiv: 1501.02167 · arxiv_version: 1501.02167v2 · doi: 10.48550/arxiv.1501.02167 · pith_short_12: NMULUAPDNILD · pith_short_16: NMULUAPDNILDKBZV · pith_short_8: NMULUAPD

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/NMULUAPDNILDKBZV7YEWHMW2R4 \
  | 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: 6b28ba01e36a16350735fe0963b2da8f3d1a4cc993a0087c6c685b939e1d8e1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b5c45f64c6a8d5aec4b3dccee35bcabc1250e6a8f96e73a2158342965239e1e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-09T15:07:49Z",
    "title_canon_sha256": "bb60769d03d5e0a0a1a3e318f1b0034d8cc5395eb3c58108f6338f7dde492b6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02167",
    "kind": "arxiv",
    "version": 2
  }
}