Pith Number

pith:32C7HHBJ

pith:2020:32C7HHBJSERHFIRAU23OCZ3WYF

not attested not anchored not stored refs pending

Constructing Positive Interpolatory Cubature Formulas

Jan Glaubitz

arxiv:2009.11981 v1 · 2020-09-24 · math.NA · cs.NA · math.CA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32C7HHBJSERHFIRAU23OCZ3WYF}

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	2026-07-05T01:37:58.510075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de85f39c29912272a220a6b6e16776c154ef26838364cea7f97a9f8fe5746136

Aliases

arxiv: 2009.11981 · arxiv_version: 2009.11981v1 · doi: 10.48550/arxiv.2009.11981 · pith_short_12: 32C7HHBJSERH · pith_short_16: 32C7HHBJSERHFIRA · pith_short_8: 32C7HHBJ

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/32C7HHBJSERHFIRAU23OCZ3WYF \
  | 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: de85f39c29912272a220a6b6e16776c154ef26838364cea7f97a9f8fe5746136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb4bd368e344b2926956384cfbdee2e2292948edcd44800149fcddc3c238892a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-09-24T23:41:29Z",
    "title_canon_sha256": "a32800b145346271f57719d5e68417d6f8fd4b764eee55bfefc8416fcb178d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11981",
    "kind": "arxiv",
    "version": 1
  }
}