Pith Number

pith:4TVAH5M3

pith:2000:4TVAH5M3JW7IHBZNBIFG6VUSRO

not attested not anchored not stored refs pending

HV Ursae Majoris, a new contact binary with early-type components

B. Csak, E.J. Alfaro, J. Vinko, L.L. Kiss

arxiv:astro-ph/0002379 v1 · 2000-02-19 · 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{4TVAH5M3JW7IHBZNBIFG6VUSRO}

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

Extremely Low Mass Ratio Contact Binaries. II. The First Photometric and Spectroscopic Investigations of Six Systems with Orbital Periods Longer than 0.5 days

Receipt and verification

First computed	2026-07-04T14:10:11.741915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ea03f59b4dbe83872d0a0a6f56928b8bbe10f63ddb83ca28175f80280ff659

Aliases

arxiv: astro-ph/0002379 · arxiv_version: astro-ph/0002379v1 · doi: 10.48550/arxiv.astro-ph/0002379 · pith_short_12: 4TVAH5M3JW7I · pith_short_16: 4TVAH5M3JW7IHBZN · pith_short_8: 4TVAH5M3

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/4TVAH5M3JW7IHBZNBIFG6VUSRO \
  | 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: e4ea03f59b4dbe83872d0a0a6f56928b8bbe10f63ddb83ca28175f80280ff659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f2bad3fd6279fb07d35807a54a3679144591dbd64b6b34c7c94203fca93f580",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-19T22:14:00Z",
    "title_canon_sha256": "4608bc92871a9fae7ce2ee886d7ec05b26829c46d2e3f3f39a10d1263f4a21d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002379",
    "kind": "arxiv",
    "version": 1
  }
}