Pith Number

pith:5TEIHJE2

pith:2019:5TEIHJE2PCL6F3KONYEUAD55BM

not attested not anchored not stored refs pending

On card guessing game with one time riffle shuffle and complete feedback

Pengda Liu

arxiv:1908.07718 v4 · 2019-08-21 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TEIHJE2PCL6F3KONYEUAD55BM}

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	2026-07-05T02:58:33.420959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecc883a49a7897e2ed4e6e09400fbd0b24d45c374b33a54b42f916d435cb86a6

Aliases

arxiv: 1908.07718 · arxiv_version: 1908.07718v4 · doi: 10.48550/arxiv.1908.07718 · pith_short_12: 5TEIHJE2PCL6 · pith_short_16: 5TEIHJE2PCL6F3KO · pith_short_8: 5TEIHJE2

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/5TEIHJE2PCL6F3KONYEUAD55BM \
  | 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: ecc883a49a7897e2ed4e6e09400fbd0b24d45c374b33a54b42f916d435cb86a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad4cfb90bb3b3dc130af4d8a24af2beb00e02edaa592a72c4f940f7792d55e3e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-08-21T06:31:07Z",
    "title_canon_sha256": "4b4ab7757c8e55b966e6e6d9c4bf56ca16272bc20d027eaa64e3b7e73350a7d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07718",
    "kind": "arxiv",
    "version": 4
  }
}