Pith Number

pith:LEMPZZUR

pith:2009:LEMPZZUR3ZUPVQ4HCUSA2QV7CG

not attested not anchored not stored refs pending

Radiative viscosity of neutron stars

Chun-Mei Pi, Shu-Hua Yang, Xiao-Ping Zheng

arxiv:0912.3055 v1 · 2009-12-16 · 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{LEMPZZUR3ZUPVQ4HCUSA2QV7CG}

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	2026-05-18T02:33:56.350167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5918fce691de68fac38715240d42bf119388e74afaed3dd9257e88a1f5ba2791

Aliases

arxiv: 0912.3055 · arxiv_version: 0912.3055v1 · doi: 10.48550/arxiv.0912.3055 · pith_short_12: LEMPZZUR3ZUP · pith_short_16: LEMPZZUR3ZUPVQ4H · pith_short_8: LEMPZZUR

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/LEMPZZUR3ZUPVQ4HCUSA2QV7CG \
  | 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: 5918fce691de68fac38715240d42bf119388e74afaed3dd9257e88a1f5ba2791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21c6537cd875ea2c180b75e89dbba7ea655a967fabf55947716d3c08616db0c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-16T04:28:31Z",
    "title_canon_sha256": "be33c4c1599d17bb05a2afea382dd39425634198075d85dc6641732f6c93a8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3055",
    "kind": "arxiv",
    "version": 1
  }
}