pith. sign in
Pith Number

pith:QVQNNX2I

pith:2011:QVQNNX2IG2HQGI6WHEZLCLYF6X
not attested not anchored not stored refs pending

Two new accreting, pulsating white dwarfs: SDSS J1457+51 and BW Sculptoris

Alex Liu, Alon Retter, Berto Monard, Christian Knigge, Grant Christie, Greg Bolt, Helena Uthas, Jennie McCormick, Jonathan Kemp, Joseph Patterson, Robert Rea

arxiv:1111.3956 v1 · 2011-11-16 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QVQNNX2IG2HQGI6WHEZLCLYF6X}

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 2026-05-18T01:59:32.034886Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8560d6df48368f0323d63932b12f05f5c08c08cc4352ff0e788057f59ce4256b

Aliases

arxiv: 1111.3956 · arxiv_version: 1111.3956v1 · doi: 10.48550/arxiv.1111.3956 · pith_short_12: QVQNNX2IG2HQ · pith_short_16: QVQNNX2IG2HQGI6W · pith_short_8: QVQNNX2I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QVQNNX2IG2HQGI6WHEZLCLYF6X \
  | 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: 8560d6df48368f0323d63932b12f05f5c08c08cc4352ff0e788057f59ce4256b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c61789fb26c9a3ed8fe91bcc5b52e2b02c613214dd4f891ab3d268a3ab2f7ab4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-16T21:01:05Z",
    "title_canon_sha256": "d7ccec5b417bef3fe8d99f1a13aab56c4394b65b4a4cd459282c3ed1b34f9abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3956",
    "kind": "arxiv",
    "version": 1
  }
}