Pith Number

pith:KS7XM5TP

pith:2011:KS7XM5TPLQ3JYW6JWNEU7QLMGI

not attested not anchored not stored refs pending

Swift J1644+57: A White Dwarf Tidally Disrupted by a 10^4 M_{odot} Black Hole?

Julian H. Krolik, Tsvi Piran

arxiv:1106.0923 v2 · 2011-06-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KS7XM5TPLQ3JYW6JWNEU7QLMGI}

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	2026-05-18T02:01:41.976696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54bf76766f5c369c5bc9b3494fc16c3224d770166626912c4ef3b6ce13f169db

Aliases

arxiv: 1106.0923 · arxiv_version: 1106.0923v2 · doi: 10.48550/arxiv.1106.0923 · pith_short_12: KS7XM5TPLQ3J · pith_short_16: KS7XM5TPLQ3JYW6J · pith_short_8: KS7XM5TP

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/KS7XM5TPLQ3JYW6JWNEU7QLMGI \
  | 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: 54bf76766f5c369c5bc9b3494fc16c3224d770166626912c4ef3b6ce13f169db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d4f692455d338fd82f15e16f656785e8f02b73ca1d3f300b0b0290e2cb67195",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-05T18:58:07Z",
    "title_canon_sha256": "631aa2db34be1271a189143abd7c6390b413afd33582125ff64020bcfcffb076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0923",
    "kind": "arxiv",
    "version": 2
  }
}