Pith Number

pith:7XJ7JFS5

pith:2010:7XJ7JFS5WCSOR7YBXK7Y6OWJ6K

not attested not anchored not stored refs pending

Metallicities of Planet Hosting Stars: A Sample of Giants and Subgiants

K. Cunha, L. Ghezzi, S. C. Schuler, V. V. Smith

arxiv:1008.3539 v2 · 2010-08-20 · 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{7XJ7JFS5WCSOR7YBXK7Y6OWJ6K}

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	2026-05-18T04:35:04.635396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd3f4965db0a4e8ff01babf8f3ac9f2994e46dfe0d58de33ea734acab4c357f

Aliases

arxiv: 1008.3539 · arxiv_version: 1008.3539v2 · doi: 10.48550/arxiv.1008.3539 · pith_short_12: 7XJ7JFS5WCSO · pith_short_16: 7XJ7JFS5WCSOR7YB · pith_short_8: 7XJ7JFS5

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/7XJ7JFS5WCSOR7YBXK7Y6OWJ6K \
  | 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: fdd3f4965db0a4e8ff01babf8f3ac9f2994e46dfe0d58de33ea734acab4c357f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "480409c904f9010ba737406cebea6aad3c5e4602354c60e0969ed75d193cbbb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-20T17:19:09Z",
    "title_canon_sha256": "539e83f4d3175c63966f83543c7bbdd1393ba7b60d3747034dfae2831e685539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3539",
    "kind": "arxiv",
    "version": 2
  }
}