Pith Number

pith:YDQXATAI

pith:2015:YDQXATAILAVVCJNSYG6AMSLWTW

not attested not anchored not stored refs pending

A Holant Dichotomy: Is the FKT Algorithm Universal?

Heng Guo, Jin-Yi Cai, Tyson Williams, Zhiguo Fu

arxiv:1505.02993 v1 · 2015-05-12 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDQXATAILAVVCJNSYG6AMSLWTW}

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	2026-05-18T02:14:15.340028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0e1704c08582b5125b2c1bc0649769d9f2c6fa16fe6145ca6583135bffabe37

Aliases

arxiv: 1505.02993 · arxiv_version: 1505.02993v1 · doi: 10.48550/arxiv.1505.02993 · pith_short_12: YDQXATAILAVV · pith_short_16: YDQXATAILAVVCJNS · pith_short_8: YDQXATAI

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/YDQXATAILAVVCJNSYG6AMSLWTW \
  | 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: c0e1704c08582b5125b2c1bc0649769d9f2c6fa16fe6145ca6583135bffabe37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7389443ba70eed62849a5e07eb52330747b15f6f73988a70f6f37eb2d18bbec",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-05-12T13:08:25Z",
    "title_canon_sha256": "0be0cda20fa0849c03e97e03ff93c8c5437b6e95e04018ab4bcc469577b492fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02993",
    "kind": "arxiv",
    "version": 1
  }
}