Pith Number

pith:XIV5LD7L

pith:2023:XIV5LD7LFHNJAT47YKFGLUSBJH

not attested not anchored not stored refs pending

Black hole spin measurements in LMC X-1 and Cyg X-1 are highly model-dependent

Andrzej A. Zdziarski, Andrzej Niedzwiecki, Gulab Dewangan, Michal Szanecki, Ranjeev Misra, Srimanta Banerjee, Swadesh Chand

arxiv:2308.06167 v3 · 2023-08-11 · 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{XIV5LD7LFHNJAT47YKFGLUSBJH}

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

2 papers in Pith

No Evidence for Superradiant Axions in LIGO-Virgo-KAGRA GWTC-5 Binary Black Hole Spins

Scalar fields around black hole binaries in LIGO-Virgo-KAGRA

Receipt and verification

First computed	2026-07-05T07:29:12.115600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba2bd58feb29da904f9fc28a65d24149d5484c9cf94ad873170f02910e31fe29

Aliases

arxiv: 2308.06167 · arxiv_version: 2308.06167v3 · doi: 10.48550/arxiv.2308.06167 · pith_short_12: XIV5LD7LFHNJ · pith_short_16: XIV5LD7LFHNJAT47 · pith_short_8: XIV5LD7L

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/XIV5LD7LFHNJAT47YKFGLUSBJH \
  | 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: ba2bd58feb29da904f9fc28a65d24149d5484c9cf94ad873170f02910e31fe29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8048e2785c52181a1dac75b175ce175ccbb2e6938abaa2b7bc30e31ac7a0fc61",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-08-11T14:49:07Z",
    "title_canon_sha256": "b2a3d0b0ff9f06d01347b4d54db86577204dc757a24b4a56d1f0668ce9dabd50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.06167",
    "kind": "arxiv",
    "version": 3
  }
}