Pith Number

pith:PISWF5DS

pith:2009:PISWF5DSQ6FGUG47OOVKPIVA2F

not attested not anchored not stored refs pending

Discrete Fourier analysis with lattices on planar domains

Huiyuan Li, Jiachang Sun, Yuan Xu

arxiv:0910.5286 v1 · 2009-10-28 · math.NA · cs.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{PISWF5DSQ6FGUG47OOVKPIVA2F}

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	2026-06-03T23:06:30.088513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a2562f472878a6a1b9f73aaa7a2a0d16e3107449113dacb40fc687fbdfa1922

Aliases

arxiv: 0910.5286 · arxiv_version: 0910.5286v1 · doi: 10.48550/arxiv.0910.5286 · pith_short_12: PISWF5DSQ6FG · pith_short_16: PISWF5DSQ6FGUG47 · pith_short_8: PISWF5DS

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/PISWF5DSQ6FGUG47OOVKPIVA2F \
  | 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: 7a2562f472878a6a1b9f73aaa7a2a0d16e3107449113dacb40fc687fbdfa1922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc4bcaca6a4da6b0f4698e5ab476693c745d2094c5594e12df06823fd2bf81c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-10-28T03:18:07Z",
    "title_canon_sha256": "7718ee01d67f3fd7fa9178cf7e8e9117d175a67e8bc6f96900befb8d955db8a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5286",
    "kind": "arxiv",
    "version": 1
  }
}