Pith Number

pith:SDTYZQH5

pith:2013:SDTYZQH5DVZRENXTCO4NUJAAHJ

not attested not anchored not stored refs pending

Hierarchical interpolative factorization for elliptic operators: integral equations

Kenneth L. Ho, Lexing Ying

arxiv:1307.2666 v3 · 2013-07-10 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDTYZQH5DVZRENXTCO4NUJAAHJ}

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.

Cited by

2 papers in Pith

New Algebraic Fast Algorithms for $N$-body Problems in Two and Three Dimensions

Hybrid hierarchical matrices with adaptive mixed precision storage

Receipt and verification

First computed	2026-05-18T02:18:24.015691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e78cc0fd1d731236f313b8da24003a52140fbb7968bf1eb4066fba0c0dca26

Aliases

arxiv: 1307.2666 · arxiv_version: 1307.2666v3 · doi: 10.48550/arxiv.1307.2666 · pith_short_12: SDTYZQH5DVZR · pith_short_16: SDTYZQH5DVZRENXT · pith_short_8: SDTYZQH5

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/SDTYZQH5DVZRENXTCO4NUJAAHJ \
  | 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: 90e78cc0fd1d731236f313b8da24003a52140fbb7968bf1eb4066fba0c0dca26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd1bd64438859306ec34297083edeb0533cfb2ecb0e2d92cb76a700011f32989",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-10T04:07:03Z",
    "title_canon_sha256": "3d237378b03a9b7fc229b4d258a5891fb36879aeba083599a47e0d7797e4252b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2666",
    "kind": "arxiv",
    "version": 3
  }
}