Pith Number

pith:FG6L3TPR

pith:2012:FG6L3TPR4FC52LOW67QTRCVIQN

not attested not anchored not stored refs pending

The Complexity of the Puzzles of Final Fantasy XIII-2

Nathaniel Johnston

arxiv:1203.1633 v1 · 2012-03-07 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FG6L3TPR4FC52LOW67QTRCVIQN}

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	2026-05-18T04:00:37.462829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29bcbdcdf1e145dd2dd6f7e1388aa8835e60cb688081fd42a5f4d4afd36a7d63

Aliases

arxiv: 1203.1633 · arxiv_version: 1203.1633v1 · doi: 10.48550/arxiv.1203.1633 · pith_short_12: FG6L3TPR4FC5 · pith_short_16: FG6L3TPR4FC52LOW · pith_short_8: FG6L3TPR

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/FG6L3TPR4FC52LOW67QTRCVIQN \
  | 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: 29bcbdcdf1e145dd2dd6f7e1388aa8835e60cb688081fd42a5f4d4afd36a7d63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "233997476dbf51d5df05bb215bb0112358b3ab52760df0b5f3e2915bd7835281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-03-07T21:05:24Z",
    "title_canon_sha256": "75e6789c2d5c5b0f11f858f717605e0e5a35f1402185dd9e74e0204af3b02123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1633",
    "kind": "arxiv",
    "version": 1
  }
}