Pith Number

pith:G3PK2LGN

pith:2019:G3PK2LGNMYUJ6MMXM6HUNG7ZQ5

not attested not anchored not stored refs pending

Partially APN Boolean functions and classes of functions that are not APN infinitely often

Constanza Riera, Lilya Budaghyan, Nikolay S. Kaleyski, Pantelimon Stanica, Soonhak Kwon

arxiv:1905.13025 v1 · 2019-05-30 · cs.IT · math.CO · 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{G3PK2LGNMYUJ6MMXM6HUNG7ZQ5}

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	2026-05-17T23:44:39.129491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36dead2ccd66289f3197678f469bf98752ac5494b5369b3bc9c866208df80292

Aliases

arxiv: 1905.13025 · arxiv_version: 1905.13025v1 · doi: 10.48550/arxiv.1905.13025 · pith_short_12: G3PK2LGNMYUJ · pith_short_16: G3PK2LGNMYUJ6MMX · pith_short_8: G3PK2LGN

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/G3PK2LGNMYUJ6MMXM6HUNG7ZQ5 \
  | 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: 36dead2ccd66289f3197678f469bf98752ac5494b5369b3bc9c866208df80292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad9491083b7b818f8c15c150db57fdc8a26a42dabccf6b15ce7b1385f582fe80",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-30T13:12:54Z",
    "title_canon_sha256": "cab9c03312ab4958db082a645006cad156c368746253b08fb5e75ba5d67dbbb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13025",
    "kind": "arxiv",
    "version": 1
  }
}