Pith Number

pith:UWGXTFOI

pith:2011:UWGXTFOIX7FOSRSYYZ4NOJKXJG

not attested not anchored not stored refs pending

On a Class of Quadratic Polynomials with no Zeros and its Application to APN Functions

Carl Bracken, Chik How Tan, Tan Yin

arxiv:1110.3177 v1 · 2011-10-14 · 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{UWGXTFOIX7FOSRSYYZ4NOJKXJG}

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	2026-05-18T04:10:57.895697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58d7995c8bfcae94658c678d7255749ab7b47581d56b07bdbff7c99e81cc0e9

Aliases

arxiv: 1110.3177 · arxiv_version: 1110.3177v1 · doi: 10.48550/arxiv.1110.3177 · pith_short_12: UWGXTFOIX7FO · pith_short_16: UWGXTFOIX7FOSRSY · pith_short_8: UWGXTFOI

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/UWGXTFOIX7FOSRSYYZ4NOJKXJG \
  | 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: a58d7995c8bfcae94658c678d7255749ab7b47581d56b07bdbff7c99e81cc0e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9e2b76dee6d747b5b521127e71be6e26139f87ab94e220cce23194d21a8f66",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-10-14T11:30:46Z",
    "title_canon_sha256": "c3ac13b3dcb3e65eca7fe3d71dd00033523ab1fdcb7624d1b974f9ae46195391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3177",
    "kind": "arxiv",
    "version": 1
  }
}