Pith Number

pith:4GOD62EA

pith:2011:4GOD62EAB4UCVQCOFFRE27TQLP

not attested not anchored not stored refs pending

Discrete Fourier restriction associated with KdV equations

Xiaochun Li, Yi Hu

arxiv:1108.5294 v1 · 2011-08-17 · math.CA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GOD62EAB4UCVQCOFFRE27TQLP}

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	2026-05-18T04:14:38.580291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19c3f68800f282ac04e29624d7e705be412d05e4c2381863eba544317b209b3

Aliases

arxiv: 1108.5294 · arxiv_version: 1108.5294v1 · doi: 10.48550/arxiv.1108.5294 · pith_short_12: 4GOD62EAB4UC · pith_short_16: 4GOD62EAB4UCVQCO · pith_short_8: 4GOD62EA

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/4GOD62EAB4UCVQCOFFRE27TQLP \
  | 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: e19c3f68800f282ac04e29624d7e705be412d05e4c2381863eba544317b209b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b21ce8ba45bdf46ad67234673044ff7e400a3d8bd4a1dc883209d6bf4ce92a9",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-08-17T18:43:22Z",
    "title_canon_sha256": "907c42d4e744c7d76b70cf344be3878983de3196ff4c371c660a677796e649a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5294",
    "kind": "arxiv",
    "version": 1
  }
}