Pith Number

pith:KPDLG6NR

pith:2018:KPDLG6NRQPWYBI6LMSIHECAN7K

not attested not anchored not stored refs pending

Spectral Properties of Cool Stars: Extended Abundance Analysis of Kepler Objects of Interest

Debra A. Fischer, John M. Brewer

arxiv:1804.00673 v2 · 2018-04-02 · 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{KPDLG6NRQPWYBI6LMSIHECAN7K}

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	2026-05-18T00:07:08.000768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c6b379b183ed80a3cb649072080dfa870fee7a796bd42973cfb84a69530cb0

Aliases

arxiv: 1804.00673 · arxiv_version: 1804.00673v2 · doi: 10.48550/arxiv.1804.00673 · pith_short_12: KPDLG6NRQPWY · pith_short_16: KPDLG6NRQPWYBI6L · pith_short_8: KPDLG6NR

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/KPDLG6NRQPWYBI6LMSIHECAN7K \
  | 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: 53c6b379b183ed80a3cb649072080dfa870fee7a796bd42973cfb84a69530cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30865c01596f37083bceff6312bdf10e4550f89956b5437fca5b1436adb3b185",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-02T18:00:36Z",
    "title_canon_sha256": "f386fd1d9e15d3be99e5a7fb4a0cac25ca4ac4948482ade380d94d7518c35737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00673",
    "kind": "arxiv",
    "version": 2
  }
}