Pith Number

pith:BRTTYQQ3

pith:2010:BRTTYQQ3LOBLCEYEMGZU2KARHP

not attested not anchored not stored refs pending

Infinite Families of Optimal Splitting Authentication Codes Secure Against Spoofing Attacks of Higher Order

Hui Zhang, Xiande Zhang, Yeow Meng Chee

arxiv:1010.0280 v1 · 2010-10-02 · cs.CR · cs.DM · 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{BRTTYQQ3LOBLCEYEMGZU2KARHP}

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	2026-05-18T04:39:58.757110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c673c421b5b82b1130461b34d28113bd04619e60e28758724e22d4119b9a02d

Aliases

arxiv: 1010.0280 · arxiv_version: 1010.0280v1 · doi: 10.48550/arxiv.1010.0280 · pith_short_12: BRTTYQQ3LOBL · pith_short_16: BRTTYQQ3LOBLCEYE · pith_short_8: BRTTYQQ3

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/BRTTYQQ3LOBLCEYEMGZU2KARHP \
  | 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: 0c673c421b5b82b1130461b34d28113bd04619e60e28758724e22d4119b9a02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa0949e8959f3806910a8b8c213274059e26b1408a7c17d0a843ee85448afc6",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.IT",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2010-10-02T00:30:10Z",
    "title_canon_sha256": "867be95e8d5b83430533bb4183e0b131d28973308e3cd5ce4db4014e9eed8dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0280",
    "kind": "arxiv",
    "version": 1
  }
}