Pith Number

pith:L6UDV4CM

pith:2009:L6UDV4CMB5EQBWDZTYN6UC53EW

not attested not anchored not stored refs pending

RAT0455+1305: another pulsating hybrid sdB star

Andrzej Baran, Lester Fox-Machado

arxiv:0912.4332 v1 · 2009-12-22 · 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{L6UDV4CMB5EQBWDZTYN6UC53EW}

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	2026-05-18T02:33:55.664543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fa83af04c0f4900d8799e1bea0bbb258c40543370fcdcd0207495f69dc960dc

Aliases

arxiv: 0912.4332 · arxiv_version: 0912.4332v1 · doi: 10.48550/arxiv.0912.4332 · pith_short_12: L6UDV4CMB5EQ · pith_short_16: L6UDV4CMB5EQBWDZ · pith_short_8: L6UDV4CM

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/L6UDV4CMB5EQBWDZTYN6UC53EW \
  | 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: 5fa83af04c0f4900d8799e1bea0bbb258c40543370fcdcd0207495f69dc960dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df8664207c536780d4c6f9060b41f27b5107a7e138bfe25c1a66c63884a62d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-22T07:36:41Z",
    "title_canon_sha256": "fd3df84a81982164a7dae57e1c35a1ec62d7846091107a004aad365900e14763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4332",
    "kind": "arxiv",
    "version": 1
  }
}