Pith Number

pith:Y2NCBI43

pith:2016:Y2NCBI43PGFS5UHT4X2T6TYQ4F

not attested not anchored not stored refs pending

Spectral Properties of Cool Stars: Extended Abundance Analysis of 1617 Planet Search Stars

Debra A. Fischer, Jeff A. Valenti, John M. Brewer, Nikolai Piskunov

arxiv:1606.07929 v2 · 2016-06-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2NCBI43PGFS5UHT4X2T6TYQ4F}

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	2026-05-18T01:08:16.398350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69a20a39b798b2ed0f3e5f53f4f10e16bef48424787e82058ca986f800a9a9d

Aliases

arxiv: 1606.07929 · arxiv_version: 1606.07929v2 · doi: 10.48550/arxiv.1606.07929 · pith_short_12: Y2NCBI43PGFS · pith_short_16: Y2NCBI43PGFS5UHT · pith_short_8: Y2NCBI43

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/Y2NCBI43PGFS5UHT4X2T6TYQ4F \
  | 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: c69a20a39b798b2ed0f3e5f53f4f10e16bef48424787e82058ca986f800a9a9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80be1427932191865e4366e67f13bd4735eadd03ba8472fb1c029e22a092041c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-25T16:26:02Z",
    "title_canon_sha256": "0d470314bedbaedd49594b4d29b580e0b2e8dfb9d956a4907d77478fc1b76348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07929",
    "kind": "arxiv",
    "version": 2
  }
}