Pith Number

pith:YCB7MVP6

pith:2010:YCB7MVP6VQ2ZA4XUPKRZAIXU6T

not attested not anchored not stored refs pending

An Improved Method for Estimating the Masses of Stars with Transiting Planets

A. Collier Cameron, B. Enoch, L. Hebb, N.R. Parley

arxiv:1004.1991 v1 · 2010-04-12 · 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{YCB7MVP6VQ2ZA4XUPKRZAIXU6T}

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	2026-05-18T02:08:06.611997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c083f655feac359072f47aa39022f4f4cf14b85794725668c92f8a587de3f6ec

Aliases

arxiv: 1004.1991 · arxiv_version: 1004.1991v1 · doi: 10.48550/arxiv.1004.1991 · pith_short_12: YCB7MVP6VQ2Z · pith_short_16: YCB7MVP6VQ2ZA4XU · pith_short_8: YCB7MVP6

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/YCB7MVP6VQ2ZA4XUPKRZAIXU6T \
  | 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: c083f655feac359072f47aa39022f4f4cf14b85794725668c92f8a587de3f6ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "521618100fab8dac972f4f64346436d1a451dc26e42295b5691714a8e160d301",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-04-12T15:37:10Z",
    "title_canon_sha256": "343e93acf6e0c1fb34d90441b7d4d5fdfb886ae9ba05506259c3b92cf40b83a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1991",
    "kind": "arxiv",
    "version": 1
  }
}