Pith Number

pith:LBMPMQJL

pith:2016:LBMPMQJLUHJKWC2PKDQMZBL2MV

not attested not anchored not stored refs pending

Accurate Least-Squares P$_N$ Scaling based on Problem Optical Thickness for solving Neutron Transport Problems

Ryan G. McClarren, Weixiong Zheng

arxiv:1609.06699 v2 · 2016-09-21 · physics.comp-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{LBMPMQJLUHJKWC2PKDQMZBL2MV}

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	2026-05-18T00:44:24.400427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5858f6412ba1d2ab0b4f50e0cc857a656b643bd21aa073995cdcb694700e6cb4

Aliases

arxiv: 1609.06699 · arxiv_version: 1609.06699v2 · doi: 10.48550/arxiv.1609.06699 · pith_short_12: LBMPMQJLUHJK · pith_short_16: LBMPMQJLUHJKWC2P · pith_short_8: LBMPMQJL

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/LBMPMQJLUHJKWC2PKDQMZBL2MV \
  | 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: 5858f6412ba1d2ab0b4f50e0cc857a656b643bd21aa073995cdcb694700e6cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9c5becef58d15cd438a9250c36d43d57f72bac32fd2a14b7aeca6a0bce1ad0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2016-09-21T19:43:31Z",
    "title_canon_sha256": "a9f1664773e7101064c679d2acd2989b48ff41099467aa59676e81a68e4bf344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06699",
    "kind": "arxiv",
    "version": 2
  }
}