Pith Number

pith:NFPMZCEW

pith:2017:NFPMZCEWKGS5DDQNDGURCXL3CK

not attested not anchored not stored refs pending

Sun-like stars unlike the Sun: Clues for chemical anomalies of cool stars

A. J. Korn, B. Gustafsson, E. Delgado-Mena, J. I. Gonz\'alez Hern\'andez, K. Lind, L. Spina, M. Asplund, M. Deal, N. R. Hinkel, P. E. Nissen, P. G. Beck, S. Feltzing, S. Honda, V. Adibekyan

arxiv:1701.05737 v1 · 2017-01-20 · 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{NFPMZCEWKGS5DDQNDGURCXL3CK}

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	2026-05-18T00:43:29.138356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

695ecc889651a5d18e0d19a9115d7b12bc0bf058dab45fb867b8febb31590544

Aliases

arxiv: 1701.05737 · arxiv_version: 1701.05737v1 · doi: 10.48550/arxiv.1701.05737 · pith_short_12: NFPMZCEWKGS5 · pith_short_16: NFPMZCEWKGS5DDQN · pith_short_8: NFPMZCEW

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/NFPMZCEWKGS5DDQNDGURCXL3CK \
  | 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: 695ecc889651a5d18e0d19a9115d7b12bc0bf058dab45fb867b8febb31590544

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8ac9152bb46bdc704d7ecd4b8445356b67e6353e1645c2eed91baa897d3378b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-20T09:46:19Z",
    "title_canon_sha256": "eaa268bae520f949176c767d349185a8a6ff76833b9df176cf77c473dc366237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05737",
    "kind": "arxiv",
    "version": 1
  }
}