Pith Number

pith:KR7NDSU2

pith:2026:KR7NDSU2F55QRYWSB6ZATOEQIQ

not attested not anchored not stored refs pending

Fuzzy dark matter soliton core hosting a supermassive black hole as a dense low-mass perturber in strong gravitational lensing

Masamune Oguri, Naoi Kubo

arxiv:2601.15718 v2 · 2026-01-22 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KR7NDSU2F55QRYWSB6ZATOEQIQ}

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.

Cited by

1 paper in Pith

PHANTOM: A MATLAB and Octave Toolbox Connecting Linear Field Statistics to Dark Matter Halo Observables

Receipt and verification

First computed	2026-06-10T01:08:31.516803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

547ed1ca9a2f7b08e2d20fb209b890442f66b64d756c1f18045139b0261d735d

Aliases

arxiv: 2601.15718 · arxiv_version: 2601.15718v2 · doi: 10.48550/arxiv.2601.15718 · pith_short_12: KR7NDSU2F55Q · pith_short_16: KR7NDSU2F55QRYWS · pith_short_8: KR7NDSU2

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/KR7NDSU2F55QRYWSB6ZATOEQIQ \
  | 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: 547ed1ca9a2f7b08e2d20fb209b890442f66b64d756c1f18045139b0261d735d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ec8a774ab6e747c15c3f7891ebec6b654929825a6583ce539f312546927e27e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-01-22T07:44:03Z",
    "title_canon_sha256": "5ca4f678cb2cbf509d2c43a101824019f1e48adbdb59fccd483655b2911cc38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.15718",
    "kind": "arxiv",
    "version": 2
  }
}