Pith Number

pith:RA5DCM7M

pith:2003:RA5DCM7MNDT3HEX6OZAHELEUQ7

not attested not anchored not stored refs pending

Period change of Superhumps in the WZ Sge-Type Dwarf Nova, HV Virginis

G. Masi, H. Yamaoka, J. Pietz, K. Kinugasa, K. Morikawa, K. Tanabe, K. Torii, L. M. Cook, M. Uemura, P. Schmeer, R. Ishioka, S. Kiyota, T. Kato, T. Krajci, T. Vanmunster

arxiv:astro-ph/0303224 v1 · 2003-03-11 · 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{RA5DCM7MNDT3HEX6OZAHELEUQ7}

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	2026-05-18T01:40:39.218551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883a3133ec68e7b392fe7640722c9487f8844bcd525ffc95c9b426ac240b6f16

Aliases

arxiv: astro-ph/0303224 · arxiv_version: astro-ph/0303224v1 · doi: 10.48550/arxiv.astro-ph/0303224 · pith_short_12: RA5DCM7MNDT3 · pith_short_16: RA5DCM7MNDT3HEX6 · pith_short_8: RA5DCM7M

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/RA5DCM7MNDT3HEX6OZAHELEUQ7 \
  | 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: 883a3133ec68e7b392fe7640722c9487f8844bcd525ffc95c9b426ac240b6f16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0c25a54a3fff3ac100771c53f8747c830ea574940675b31be3a74abbe2fc4b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-11T10:12:20Z",
    "title_canon_sha256": "894aaa0942e23d618a54ed016a753cc0db929343e4dbfc3bb28b79b0666ea9fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303224",
    "kind": "arxiv",
    "version": 1
  }
}