pith. sign in
Pith Number

pith:WZ43NF7M

pith:2012:WZ43NF7MO2RCZ2PKCRODHQPVDF
not attested not anchored not stored refs pending

Gaseous Material Orbiting the Polluted, Dusty White Dwarf HE1349-2305

Adam J. Burgasser, B. Gaensicke, Brandon Swift, Carl Melis, D. Koester, J. Bochanski, J. Farihi, P. Dufour, S. Parsons

arxiv:1204.1132 v1 · 2012-04-05 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WZ43NF7MO2RCZ2PKCRODHQPVDF}

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 2026-05-18T01:57:56.824607Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b679b697ec76a22ce9ea145c33c1f5194bdd08fa347312bedc9f7858de070441

Aliases

arxiv: 1204.1132 · arxiv_version: 1204.1132v1 · doi: 10.48550/arxiv.1204.1132 · pith_short_12: WZ43NF7MO2RC · pith_short_16: WZ43NF7MO2RCZ2PK · pith_short_8: WZ43NF7M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WZ43NF7MO2RCZ2PKCRODHQPVDF \
  | 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: b679b697ec76a22ce9ea145c33c1f5194bdd08fa347312bedc9f7858de070441
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a90131de9de8d5c44c3fefedb6bd0f0ad7697280e9a09c6ff5f19733aacb3141",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-05T06:59:31Z",
    "title_canon_sha256": "bd62e7b09f7b8fd532f59861f551ae2a04bd6fc07713afc7dfc49ea145858cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1132",
    "kind": "arxiv",
    "version": 1
  }
}