Pith Number

pith:JXFQJXE2

pith:2010:JXFQJXE2PBU35CVWFOR6DK4XNV

not attested not anchored not stored refs pending

A new parametric equation of state and quark stars

R. X. Xu, X. S. Na

arxiv:1009.4247 v1 · 2010-09-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXFQJXE2PBU35CVWFOR6DK4XNV}

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	2026-05-18T02:05:18.909520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dcb04dc9a7869be8ab62ba3e1ab976d5f45e941dfc51075d18dbe806b58b288

Aliases

arxiv: 1009.4247 · arxiv_version: 1009.4247v1 · doi: 10.48550/arxiv.1009.4247 · pith_short_12: JXFQJXE2PBU3 · pith_short_16: JXFQJXE2PBU35CVW · pith_short_8: JXFQJXE2

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/JXFQJXE2PBU35CVWFOR6DK4XNV \
  | 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: 4dcb04dc9a7869be8ab62ba3e1ab976d5f45e941dfc51075d18dbe806b58b288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c115562407c1154eda374ec539b842e785a53df1e850b9808ca31f000b4c70b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-22T02:17:36Z",
    "title_canon_sha256": "f8425761ea6ed2dd6071e147eaad0bce4fff4b4b50809fe5e7b4099cecaf0ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4247",
    "kind": "arxiv",
    "version": 1
  }
}