Pith Number

pith:4X47WVUY

pith:2010:4X47WVUYZ2CF73ANVHZ34QIT4I

not attested not anchored not stored refs pending

SDSS J0018+3454: An Extremely Long Orbital Period CV

A. Aviles, D. Gonzalez, G. Tovmassian, J. Echevarria, S. Zharikov

arxiv:1009.5803 v1 · 2010-09-29 · 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{4X47WVUYZ2CF73ANVHZ34QIT4I}

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	2026-05-18T04:40:08.874099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f9fb5698ce845fec0da9f3be4113e22d0bc80eaefa951666aacdbfbc2cf3f6

Aliases

arxiv: 1009.5803 · arxiv_version: 1009.5803v1 · doi: 10.48550/arxiv.1009.5803 · pith_short_12: 4X47WVUYZ2CF · pith_short_16: 4X47WVUYZ2CF73AN · pith_short_8: 4X47WVUY

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/4X47WVUYZ2CF73ANVHZ34QIT4I \
  | 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: e5f9fb5698ce845fec0da9f3be4113e22d0bc80eaefa951666aacdbfbc2cf3f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4f891cde6f989b88bcdab739256158701e1992c6608361226572c6fa38048c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-29T08:40:03Z",
    "title_canon_sha256": "cfb2d890bf048a914b5c29acf58be58f5876616e5b329d82ab7f1029c0ab0890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5803",
    "kind": "arxiv",
    "version": 1
  }
}