Pith Number

pith:CWUGXYP4

pith:2015:CWUGXYP4CSNLA73CQ3RDWBY26F

not attested not anchored not stored refs pending

Accurate Gravities of F, G, and K stars from High Resolution Spectra Without External Constraints

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

arxiv:1503.07180 v2 · 2015-03-24 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWUGXYP4CSNLA73CQ3RDWBY26F}

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	2026-05-18T01:59:36.950604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15a86be1fc149ab07f6286e23b071af14d9994520a1536d710a96c9f6e99c592

Aliases

arxiv: 1503.07180 · arxiv_version: 1503.07180v2 · doi: 10.48550/arxiv.1503.07180 · pith_short_12: CWUGXYP4CSNL · pith_short_16: CWUGXYP4CSNLA73C · pith_short_8: CWUGXYP4

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/CWUGXYP4CSNLA73CQ3RDWBY26F \
  | 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: 15a86be1fc149ab07f6286e23b071af14d9994520a1536d710a96c9f6e99c592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "353ab719e9bd15894ff06e06f41c2a2fd8048c5ee7d2c38770169f5440fce94e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-24T20:11:12Z",
    "title_canon_sha256": "49438c8691642ef4419e6bb86e5f212bfc9e218c6cffb648b96e3b4f9f0e434d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07180",
    "kind": "arxiv",
    "version": 2
  }
}