Pith Number

pith:7ZHN2HRN

pith:2025:7ZHN2HRN2EESP6L2DH4WJMQUHV

not attested not anchored not stored refs pending

Algorithm for Dark Matter-Admixed Neutron Stars

Nguyen Thi Lan Anh, Peter Lott, Quynh Lan Nguyen

arxiv:2507.22415 v2 · 2025-07-30 · astro-ph.HE · 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{7ZHN2HRN2EESP6L2DH4WJMQUHV}

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	2026-07-05T11:48:28.021886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4edd1e2dd10927f97a19f964b2143d55fad5812438e07faa414bd1ce9ee4a3

Aliases

arxiv: 2507.22415 · arxiv_version: 2507.22415v2 · doi: 10.48550/arxiv.2507.22415 · pith_short_12: 7ZHN2HRN2EES · pith_short_16: 7ZHN2HRN2EESP6L2 · pith_short_8: 7ZHN2HRN

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/7ZHN2HRN2EESP6L2DH4WJMQUHV \
  | 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: fe4edd1e2dd10927f97a19f964b2143d55fad5812438e07faa414bd1ce9ee4a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0331b52845d71dc72ea29eea96e609d78e74b13ec5666af0a9d94f771430d211",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-30T06:36:12Z",
    "title_canon_sha256": "def1f90582299a6a77063f7025819997f830b2ea5ec9ffcbe6c73684565e5c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22415",
    "kind": "arxiv",
    "version": 2
  }
}