Pith Number

pith:U2MYQ3QO

pith:2010:U2MYQ3QOKJOTBCN4UVAGWFKGQQ

not attested not anchored not stored refs pending

Partial difference sets from quadratic forms and $p$-ary weakly regular bent functions

Bin Wen, Jianxing Yin, Qing Xiang, Tao Feng

arxiv:1002.2797 v2 · 2010-02-14 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2MYQ3QOKJOTBCN4UVAGWFKGQQ}

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	2026-05-18T04:16:32.287232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a699886e0e525d3089bca5406b154684339a17e4e1cbbfb302359a97bdd72f88

Aliases

arxiv: 1002.2797 · arxiv_version: 1002.2797v2 · doi: 10.48550/arxiv.1002.2797 · pith_short_12: U2MYQ3QOKJOT · pith_short_16: U2MYQ3QOKJOTBCN4 · pith_short_8: U2MYQ3QO

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/U2MYQ3QOKJOTBCN4UVAGWFKGQQ \
  | 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: a699886e0e525d3089bca5406b154684339a17e4e1cbbfb302359a97bdd72f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b79dba1c7e3736a4cb2e8c546de9e213b928aad61f7207be4c1bec8629233ca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-02-14T20:52:33Z",
    "title_canon_sha256": "3087137a722fb3e367de27dc4a80f0e83166d4b113e1a1dcb6f9f1d1bb03fe0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2797",
    "kind": "arxiv",
    "version": 2
  }
}