Pith Number

pith:MADWDFHN

pith:2002:MADWDFHN5AZ72JJLHGWJPOMMU2

not attested not anchored not stored refs pending

The origin of cyclic period changes in close binaries: the case of the Algol binary WW Cygni

Allison L. Silva, Andrea L. Silva, Bernard J. McNamara, Brian A. Rodriguez, Diana Olivares, Eduardo Galvan, Elena Silva-Velarde, GeeAnn Killgore, Javier Galvan, Matthew Sanchez, Omar R. Mireles, Robert T. Zavala, Thomas E. Harrison, Thomas Jarvis

arxiv:astro-ph/0203115 v1 · 2002-03-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MADWDFHN5AZ72JJLHGWJPOMMU2}

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.

Cited by

1 paper in Pith

TESS light curves and surface activity in two low-mass eclipsing binaries: NSVS 01031772 and 2MASS J04100497+2931023

Receipt and verification

First computed	2026-07-04T16:29:30.797705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60076194ede833fd252b39ac97b98ca69272a22de69f7c91c71c67f8294226cf

Aliases

arxiv: astro-ph/0203115 · arxiv_version: astro-ph/0203115v1 · doi: 10.48550/arxiv.astro-ph/0203115 · pith_short_12: MADWDFHN5AZ7 · pith_short_16: MADWDFHN5AZ72JJL · pith_short_8: MADWDFHN

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/MADWDFHN5AZ72JJLHGWJPOMMU2 \
  | 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: 60076194ede833fd252b39ac97b98ca69272a22de69f7c91c71c67f8294226cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c961c4b2384df6c054bfde75508aacfb3ae46f1833c10c7fc5a36b69a29b8bc1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-07T21:00:05Z",
    "title_canon_sha256": "afcc7ef6228a59503b345bbecfc531a5c9992209279157859831880ae9b9da76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203115",
    "kind": "arxiv",
    "version": 1
  }
}