Pith Number

pith:PI2QAKMY

pith:2014:PI2QAKMYUFOCGA5Z236JXAJNYG

not attested not anchored not stored refs pending

Fast computation of Gauss quadrature nodes and weights on the whole real line

Alex Townsend, Sheehan Olver, Thomas Trogdon

arxiv:1410.5286 v1 · 2014-10-20 · 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{PI2QAKMYUFOCGA5Z236JXAJNYG}

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	2026-05-18T02:39:46.410769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a35002998a15c2303b9d6fc9b812dc1be079dd997a5037f6be8df4855ecda30

Aliases

arxiv: 1410.5286 · arxiv_version: 1410.5286v1 · doi: 10.48550/arxiv.1410.5286 · pith_short_12: PI2QAKMYUFOC · pith_short_16: PI2QAKMYUFOCGA5Z · pith_short_8: PI2QAKMY

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/PI2QAKMYUFOCGA5Z236JXAJNYG \
  | 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: 7a35002998a15c2303b9d6fc9b812dc1be079dd997a5037f6be8df4855ecda30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d185aaf382f771ac949e70426ff403d00dd4e586602f3a7664d3b4372b7dcbb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-20T14:12:31Z",
    "title_canon_sha256": "cec0b0711582619e9672633fccbf96f5b2d550caf89b7185c6a12747806c568f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5286",
    "kind": "arxiv",
    "version": 1
  }
}