Pith Number

pith:WK2IA4QY

pith:2013:WK2IA4QYE4YUCXYMBI5CJBQIM2

not attested not anchored not stored refs pending

Stable Fixed Points of Card Trick Functions

Jyoti Champanerkar, Mahendra Jani

arxiv:1308.3396 v1 · 2013-08-13 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WK2IA4QYE4YUCXYMBI5CJBQIM2}

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	2026-05-18T03:15:54.742780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b48072182731415f0c0a3a24860866af5a3004cb000d76fe66c7deb384f5df

Aliases

arxiv: 1308.3396 · arxiv_version: 1308.3396v1 · doi: 10.48550/arxiv.1308.3396 · pith_short_12: WK2IA4QYE4YU · pith_short_16: WK2IA4QYE4YUCXYM · pith_short_8: WK2IA4QY

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/WK2IA4QYE4YUCXYMBI5CJBQIM2 \
  | 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: b2b48072182731415f0c0a3a24860866af5a3004cb000d76fe66c7deb384f5df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25d7bac07f528aa9f569f29fc345e8b7f8b6f33d86d45af3c2cd6e549aab4059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-08-13T03:36:20Z",
    "title_canon_sha256": "08e27217e51268994caa7200ecdb948926c84aabf459d3ac4d17c33957c9c2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3396",
    "kind": "arxiv",
    "version": 1
  }
}