Pith Number

pith:7UZ3YFPY

pith:2020:7UZ3YFPYI5EB6GHDOZCTVPIWPI

not attested not anchored not stored refs pending

The mass discrepancy in intermediate- and high-mass eclipsing binaries: the need for higher convective core masses

A. Tkachenko, C. Aerts, C. Johnston, D. M. Bowman, J. Southworth, K. Pavlovski, M. G. Pedersen, M. Michielsen, V. Tsymbal

arxiv:2003.08982 v1 · 2020-03-19 · 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{7UZ3YFPYI5EB6GHDOZCTVPIWPI}

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	2026-07-05T01:04:18.816263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd33bc15f847481f18e376453abd167a3557bb3bc414eb42e166e87dd8f1933f

Aliases

arxiv: 2003.08982 · arxiv_version: 2003.08982v1 · doi: 10.48550/arxiv.2003.08982 · pith_short_12: 7UZ3YFPYI5EB · pith_short_16: 7UZ3YFPYI5EB6GHD · pith_short_8: 7UZ3YFPY

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/7UZ3YFPYI5EB6GHDOZCTVPIWPI \
  | 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: fd33bc15f847481f18e376453abd167a3557bb3bc414eb42e166e87dd8f1933f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98a16e02b3c335dd4f6dda587bc3108578f0def9294095545231a39021f28f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-19T18:58:45Z",
    "title_canon_sha256": "5442b91182816b2d249a438d177e37e830b98b845f86bec58302d7b4c9dff633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08982",
    "kind": "arxiv",
    "version": 1
  }
}