Pith Number

pith:O534XTRB

pith:2011:O534XTRBHUYUJE233XAGY5HV2Z

not attested not anchored not stored refs pending

Stellar Variability of the Exoplanet Hosting Star HD 63454

Christophe Lovis, David R. Ciardi, Diana Dragomir, Dominique Naef, Gaspare Lo Curto, Genady Pilyavsky, Jae-Woo Lee, Jason Wright, Stephane Udry, Stephen R. Kane, Suvrath Mahadevan, Xuesong Wang

arxiv:1105.6131 v1 · 2011-05-30 · 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{O534XTRBHUYUJE233XAGY5HV2Z}

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	2026-05-18T02:01:45.831331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7777cbce213d3144935bddc06c74f5d66e3f9998fec7d12be3c84497f7a65722

Aliases

arxiv: 1105.6131 · arxiv_version: 1105.6131v1 · doi: 10.48550/arxiv.1105.6131 · pith_short_12: O534XTRBHUYU · pith_short_16: O534XTRBHUYUJE23 · pith_short_8: O534XTRB

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/O534XTRBHUYUJE233XAGY5HV2Z \
  | 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: 7777cbce213d3144935bddc06c74f5d66e3f9998fec7d12be3c84497f7a65722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ef4db0e4faa73b2539db0d556c9da9324bca82e87719be194d68024be30853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-05-30T22:52:47Z",
    "title_canon_sha256": "3482c11ffe2afbfe199f9a02d1ce1de73c4054668eb18b7b36edbdb97ae45def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6131",
    "kind": "arxiv",
    "version": 1
  }
}