Pith Number

pith:CDSBUXPY

pith:2011:CDSBUXPYLNI3OR7OIDGPOMNPNG

not attested not anchored not stored refs pending

A direct solver with O(N) complexity for integral equations on one-dimensional domains

Adrianna Gillman, Patrick Young, Per-Gunnar Martinsson

arxiv:1105.5372 v1 · 2011-05-26 · 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{CDSBUXPYLNI3OR7OIDGPOMNPNG}

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	2026-05-18T04:21:12.672188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e41a5df85b51b747ee40ccf731af6998424ae04c79276bcf8eec3e8107c495

Aliases

arxiv: 1105.5372 · arxiv_version: 1105.5372v1 · doi: 10.48550/arxiv.1105.5372 · pith_short_12: CDSBUXPYLNI3 · pith_short_16: CDSBUXPYLNI3OR7O · pith_short_8: CDSBUXPY

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/CDSBUXPYLNI3OR7OIDGPOMNPNG \
  | 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: 10e41a5df85b51b747ee40ccf731af6998424ae04c79276bcf8eec3e8107c495

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "570058d6446bd05f21954400484b13b1b7e725ff13f6094e78791c011f87ed2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-05-26T18:55:39Z",
    "title_canon_sha256": "33c3485b24726004bdb4d38b4c11102b42775d9cecadd3171f4beab85021a4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5372",
    "kind": "arxiv",
    "version": 1
  }
}