Pith Number

pith:WWCSLAGX

pith:2012:WWCSLAGXP7X25SAU2MXBLYW4IC

not attested not anchored not stored refs pending

SDSS J184037.78+642312.3: The First Pulsating Extremely Low Mass White Dwarf

D. E. Winget, J. J. Hermes, M. H. Montgomery, Mukremin Kilic, Scott J. Kenyon, Warren R. Brown

arxiv:1204.1338 v1 · 2012-04-05 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWCSLAGXP7X25SAU2MXBLYW4IC}

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	2026-05-18T01:57:56.486748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5852580d77fefaec814d32e15e2dc40bcf3c60bf2d05ce7d08e11208356f830

Aliases

arxiv: 1204.1338 · arxiv_version: 1204.1338v1 · doi: 10.48550/arxiv.1204.1338 · pith_short_12: WWCSLAGXP7X2 · pith_short_16: WWCSLAGXP7X25SAU · pith_short_8: WWCSLAGX

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/WWCSLAGXP7X25SAU2MXBLYW4IC \
  | 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: b5852580d77fefaec814d32e15e2dc40bcf3c60bf2d05ce7d08e11208356f830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceeec6e3b00d80160cb5055452d4886841e8d11c6a8ac6f049147bae692c85f7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-05T20:00:01Z",
    "title_canon_sha256": "d7e5651be92563649219d9f43f0b663b5d15848dfcc8ce8191a90aa94871d000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1338",
    "kind": "arxiv",
    "version": 1
  }
}