Pith Number

pith:OD42CPEJ

pith:2013:OD42CPEJGWHTXTGH2VONQGFNXM

not attested not anchored not stored refs pending

Parallel Algorithms for Constructing Data Structures for Fast Multipole Methods

Nail A. Gumerov, Qi Hu, Ramani Duraiswami

arxiv:1301.1704 v1 · 2013-01-08 · cs.MS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OD42CPEJGWHTXTGH2VONQGFNXM}

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	2026-05-18T03:36:56.084875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f9a13c89358f3bccc7d55cd818adbb30a72073effee2ee540ca1a06a3dc995

Aliases

arxiv: 1301.1704 · arxiv_version: 1301.1704v1 · doi: 10.48550/arxiv.1301.1704 · pith_short_12: OD42CPEJGWHT · pith_short_16: OD42CPEJGWHTXTGH · pith_short_8: OD42CPEJ

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/OD42CPEJGWHTXTGH2VONQGFNXM \
  | 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: 70f9a13c89358f3bccc7d55cd818adbb30a72073effee2ee540ca1a06a3dc995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae87488559194debba9dccf77ccb4edb553222483ed1c384bb583a4d94a29b6",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2013-01-08T21:57:20Z",
    "title_canon_sha256": "f4d57dc5e7b5e1263059675e822a5dd43327bb2b2ba6a65b31dacd2fc337d5cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1704",
    "kind": "arxiv",
    "version": 1
  }
}