Pith Number

pith:YXKFPBFO

pith:2025:YXKFPBFOAABYBIPK5YHOD73NVP

not attested not anchored not stored refs pending

Insights Into Neutron Stars From Gravitational Redshifts and Universal Relations

Kamal Krishna Nath, Sagnik Chatterjee

arxiv:2502.04943 v2 · 2025-02-07 · 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{YXKFPBFOAABYBIPK5YHOD73NVP}

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	2026-07-05T11:52:17.418082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5d45784ae000380a1eaee0ee1ff6dabf3b00259da2b1f042326c7be7a4cdea0

Aliases

arxiv: 2502.04943 · arxiv_version: 2502.04943v2 · doi: 10.48550/arxiv.2502.04943 · pith_short_12: YXKFPBFOAABY · pith_short_16: YXKFPBFOAABYBIPK · pith_short_8: YXKFPBFO

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/YXKFPBFOAABYBIPK5YHOD73NVP \
  | 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: c5d45784ae000380a1eaee0ee1ff6dabf3b00259da2b1f042326c7be7a4cdea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc4371d4ddeaddd87f5ec5956bd45c8b6596afb0dee0f5c382d29bbba29199d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-07T14:04:37Z",
    "title_canon_sha256": "a20cd286d8747c3ee1e0e056b31a2d736f9791fcc4b607b9cc3e06b2d8f4b1ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04943",
    "kind": "arxiv",
    "version": 2
  }
}