Pith Number

pith:XINHYC64

pith:2013:XINHYC64R35W5SDZYCRSBIUIWT

not attested not anchored not stored refs pending

Toward a Dynamic Programming Solution for the 4-peg Tower of Hanoi Problem with Configurations

Jonathan Fruhman, Neng-Fa Zhou

arxiv:1301.7673 v1 · 2013-01-31 · cs.PL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XINHYC64R35W5SDZYCRSBIUIWT}

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	2026-05-18T03:34:48.976407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba1a7c0bdc8efb6ec879c0a320a288b4f2ed11e7ae3ff7c7f10989db27452b76

Aliases

arxiv: 1301.7673 · arxiv_version: 1301.7673v1 · doi: 10.48550/arxiv.1301.7673 · pith_short_12: XINHYC64R35W · pith_short_16: XINHYC64R35W5SDZ · pith_short_8: XINHYC64

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/XINHYC64R35W5SDZYCRSBIUIWT \
  | 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: ba1a7c0bdc8efb6ec879c0a320a288b4f2ed11e7ae3ff7c7f10989db27452b76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d10c85a936c13b31eec7c992ca21a22087d194de84fc75c112d47463d713eb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-01-31T16:37:28Z",
    "title_canon_sha256": "cc4f0aec00a2ada990ca0b95ac55b69ac41619067510cbe7e4adb744a0c72875"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7673",
    "kind": "arxiv",
    "version": 1
  }
}