Pith Number

pith:HB4V2C47

pith:2012:HB4V2C47BIGHTD2RCUA2SMWIDU

not attested not anchored not stored refs pending

The hot R Coronae Borealis star DY Centauri is a binary

Barbara McArthur, C. Simon Jeffery, D. A. Garcia-Hernandez, David L. Lambert, N. Kameswara Rao, Vincent M. Woolf

arxiv:1210.4199 v2 · 2012-10-15 · 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{HB4V2C47BIGHTD2RCUA2SMWIDU}

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	2026-05-18T01:53:54.765615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38795d0b9f0a0c798f511501a932c81d324329ca726a7b17f4d7e09c0317ebfe

Aliases

arxiv: 1210.4199 · arxiv_version: 1210.4199v2 · doi: 10.48550/arxiv.1210.4199 · pith_short_12: HB4V2C47BIGH · pith_short_16: HB4V2C47BIGHTD2R · pith_short_8: HB4V2C47

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/HB4V2C47BIGHTD2RCUA2SMWIDU \
  | 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: 38795d0b9f0a0c798f511501a932c81d324329ca726a7b17f4d7e09c0317ebfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "692870f01ad8505de065257d3e7cb2298065d0b7bf42ff68f7f33dd2d13d3ebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-15T21:28:37Z",
    "title_canon_sha256": "6339f528d1d38676bbd1c860928036dddd9081f7f66e74b63a8329155d4d0331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4199",
    "kind": "arxiv",
    "version": 2
  }
}