Pith Number

pith:LXD324PD

pith:2012:LXD324PDNNQYSNHVFFQJT4JWF2

not attested not anchored not stored refs pending

The Shakura-Sunyaev Viscosity Prescription with Variable alpha(r)

Akshay K. Kulkarni, Aleksander Sadowski, Ramesh Narayan, Robert F. Penna

arxiv:1211.0526 v1 · 2012-11-02 · 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{LXD324PDNNQYSNHVFFQJT4JWF2}

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	2026-05-18T01:53:26.454158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dc7bd71e36b618934f5296099f1362e8d4ea7821cbaa50f7a15b892ec7f83d4

Aliases

arxiv: 1211.0526 · arxiv_version: 1211.0526v1 · doi: 10.48550/arxiv.1211.0526 · pith_short_12: LXD324PDNNQY · pith_short_16: LXD324PDNNQYSNHV · pith_short_8: LXD324PD

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/LXD324PDNNQYSNHVFFQJT4JWF2 \
  | 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: 5dc7bd71e36b618934f5296099f1362e8d4ea7821cbaa50f7a15b892ec7f83d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f715f93d8330e79ceb086ecef97a13b468cb8f5d160ebd9e1483d2a20e4425c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-02T19:12:34Z",
    "title_canon_sha256": "0877b0159a5bc154dcae37e0ba96bf1c91bba01d29573a25e7e3894a92926301"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0526",
    "kind": "arxiv",
    "version": 1
  }
}