Pith Number

pith:6MBJZ5FT

pith:2019:6MBJZ5FTG7B3WRZIHLGQCSD4DS

not attested not anchored not stored refs pending

The Mass of the White Dwarf Companion in the Self-Lensing Binary KOI-3278: Einstein vs. Newton

Andrew W. Howard, Avi Shporer, Benjamin J. Fulton, Daniel A. Yahalomi, David W. Latham, Eric Agol, Erik A. Petigura, Ethan Kruse, Howard Isaacson, John M. Brewer, Lars A. Buchhave, Samuel N. Quinn, Yossi Shvartzvald

arxiv:1904.11063 v2 · 2019-04-24 · 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{6MBJZ5FTG7B3WRZIHLGQCSD4DS}

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	2026-07-04T23:50:17.599976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3029cf4b337c3bb47283acd01487c1c900b69586fc27bdd068ccdd6967be9b2

Aliases

arxiv: 1904.11063 · arxiv_version: 1904.11063v2 · doi: 10.48550/arxiv.1904.11063 · pith_short_12: 6MBJZ5FTG7B3 · pith_short_16: 6MBJZ5FTG7B3WRZI · pith_short_8: 6MBJZ5FT

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/6MBJZ5FTG7B3WRZIHLGQCSD4DS \
  | 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: f3029cf4b337c3bb47283acd01487c1c900b69586fc27bdd068ccdd6967be9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75bc1895a09615af616b8513d4eb331e97f99bb7592171593e207af08a40ec80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-24T20:48:26Z",
    "title_canon_sha256": "09932c58cedbbf20066b96aefb7abfe492fe164ae8a058fa22f600b51d5d8cdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11063",
    "kind": "arxiv",
    "version": 2
  }
}