Pith Number

pith:YJ2V2646

pith:2004:YJ2V2646SYGFXOYPGCLT3IKFA4

not attested not anchored not stored refs pending

Nucleation of quark matter in neutron stars cores

K. S. Cheng, P. S. Tang, T. Harko

arxiv:astro-ph/0403200 v1 · 2004-03-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJ2V2646SYGFXOYPGCLT3IKFA4}

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	2026-05-18T04:35:35.795578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9

Aliases

arxiv: astro-ph/0403200 · arxiv_version: astro-ph/0403200v1 · doi: 10.48550/arxiv.astro-ph/0403200 · pith_short_12: YJ2V2646SYGF · pith_short_16: YJ2V2646SYGFXOYP · pith_short_8: YJ2V2646

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/YJ2V2646SYGFXOYPGCLT3IKFA4 \
  | 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: c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bda3f148a66d77cc73f7645db44a777c4e86e27a9edbf7c8bdd25cec07bf47b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-09T03:43:23Z",
    "title_canon_sha256": "4c7656dbf89871b85084f0c9747f68f58da1aec2e837a02d2e832e3e6bbd707d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403200",
    "kind": "arxiv",
    "version": 1
  }
}