Pith Number

pith:BZMNKGY6

pith:1998:BZMNKGY6UAABYYBPSYGQRNRVS7

not attested not anchored not stored refs pending

YY Draconis and V709 Cassiopeiae: two intermediate polars with weak magnetic fields

A.J. Norton, Alasdair Allan, A.P. Beardmore, Coel Hellier

arxiv:astro-ph/9811310 v1 · 1998-11-19 · 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{BZMNKGY6UAABYYBPSYGQRNRVS7}

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

EP260321a/SN 2026gzf: The Faintest Shock Breakout Associated with a Broad-Lined Supernova

Receipt and verification

First computed	2026-07-04T14:16:21.076794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e58d51b1ea0001c602f960d08b63597ed4c9dd5c6c304060d4526875b5c0ca3

Aliases

arxiv: astro-ph/9811310 · arxiv_version: astro-ph/9811310v1 · doi: 10.48550/arxiv.astro-ph/9811310 · pith_short_12: BZMNKGY6UAAB · pith_short_16: BZMNKGY6UAABYYBP · pith_short_8: BZMNKGY6

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/BZMNKGY6UAABYYBPSYGQRNRVS7 \
  | 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: 0e58d51b1ea0001c602f960d08b63597ed4c9dd5c6c304060d4526875b5c0ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21e09ccea5be7e679db0f3e64ab46df5c06c05eb11961d4878acb2a70a47d5d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-19T16:28:48Z",
    "title_canon_sha256": "502fb982b3ddf63bfc9341bfea4223d04a67ddfce0cd7709791e25e2a85b2b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811310",
    "kind": "arxiv",
    "version": 1
  }
}