Pith Number

pith:BXSYMDAO

pith:2025:BXSYMDAOTXDDYBTTXF7HZGWZC2

not attested not anchored not stored refs pending

On the Walsh spectra of quadratic APN functions

Divyesh Vaghasiya, Lukas K\"olsch, Nicolas Goluboff, Sophie Hannah B\'en\'eteau

arxiv:2510.12008 v3 · 2025-10-13 · math.CO · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXSYMDAOTXDDYBTTXF7HZGWZC2}

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	2026-05-20T00:04:14.652347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de5860c0e9dc63c0673b97e7c9ad916ab0cdcf86443218a9cf8d83ad10eb9f7

Aliases

arxiv: 2510.12008 · arxiv_version: 2510.12008v3 · doi: 10.48550/arxiv.2510.12008 · pith_short_12: BXSYMDAOTXDD · pith_short_16: BXSYMDAOTXDDYBTT · pith_short_8: BXSYMDAO

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/BXSYMDAOTXDDYBTTXF7HZGWZC2 \
  | 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: 0de5860c0e9dc63c0673b97e7c9ad916ab0cdcf86443218a9cf8d83ad10eb9f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e4f37f58ea4ae1300b5f3667ddcbddc72b41cd222935635c6453a4ba1f2212",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-10-13T23:00:37Z",
    "title_canon_sha256": "33275d3a7449eb6e2487b2586d54b18d68a90f284fb8a885ccd2add67edf662c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.12008",
    "kind": "arxiv",
    "version": 3
  }
}