Pith Number

pith:O3CIJF2R

pith:2024:O3CIJF2RHX243GCAOJ3NR7T2CK

not attested not anchored not stored refs pending

The variable magnetic field of V889 Her and the challenge of detecting exoplanets around young Suns using Gaussian process regression

A. Heitzmann, C. P. Folsom, E. L. Brown, J. R. Barnes, S. C. Marsden, S. V. Jeffers

arxiv:2401.12408 v1 · 2024-01-22 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3CIJF2RHX243GCAOJ3NR7T2CK}

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

RedDots: Magnetic field of the nearby active M dwarf GJ 729, and a search for companions

Receipt and verification

First computed	2026-07-05T07:36:30.481655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76c48497513df5cd98407276d8fe7a12ae0f54d5704c828470e0c9e20f254efd

Aliases

arxiv: 2401.12408 · arxiv_version: 2401.12408v1 · doi: 10.48550/arxiv.2401.12408 · pith_short_12: O3CIJF2RHX24 · pith_short_16: O3CIJF2RHX243GCA · pith_short_8: O3CIJF2R

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/O3CIJF2RHX243GCAOJ3NR7T2CK \
  | 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: 76c48497513df5cd98407276d8fe7a12ae0f54d5704c828470e0c9e20f254efd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9e4fb2e24c3786efc8433c470b46f77b56aceb60940e86bdacccaddab87ca4",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-01-22T23:43:17Z",
    "title_canon_sha256": "dd3e28d77a058f0aadaab32ed2067644c509cf70ac2ec4fc84e0eb44424fe2cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.12408",
    "kind": "arxiv",
    "version": 1
  }
}