Pith Number

pith:3RWBEILV

pith:2025:3RWBEILVE4C2A47M7YY2CL2T5Y

not attested not anchored not stored refs pending

An accreting dwarf star orbiting the S-type giant star pi1 Gru

A. de Koter, A. M. S. Richards, A. Zijlstra, D. Gobrecht, F. Baron, F. Herpin, I. El Mellah, I. McDonald, J. Malfait, J. Yates, K. T. Wong, L. Marinho, L. Siess, M. Esseldeurs, M. Montarg\`es, M. Van de Sande, P. Kervella, R. Sahai, S. Etoka, S. H. J. Wallstr\"om, S. Shetye, T. Danilovich, T. Khouri

arxiv:2504.16845 v2 · 2025-04-23 · 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{3RWBEILVE4C2A47M7YY2CL2T5Y}

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	2026-07-05T11:29:58.097088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc6c1221752705a073ecfe31a12f53ee1e5b6338212d5d23e40eba94f20407c7

Aliases

arxiv: 2504.16845 · arxiv_version: 2504.16845v2 · doi: 10.48550/arxiv.2504.16845 · pith_short_12: 3RWBEILVE4C2 · pith_short_16: 3RWBEILVE4C2A47M · pith_short_8: 3RWBEILV

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/3RWBEILVE4C2A47M7YY2CL2T5Y \
  | 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: dc6c1221752705a073ecfe31a12f53ee1e5b6338212d5d23e40eba94f20407c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8ad7cb5df51e86f31855f3ad263babd159a68e74c39b82e9155a30f57df773e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-23T16:09:33Z",
    "title_canon_sha256": "a8ae2639a6d822e5fb1829804806ce6448fdcd990c99b9c80a746dd632c2e370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16845",
    "kind": "arxiv",
    "version": 2
  }
}