Pith Number

pith:52TWNKM4

pith:2017:52TWNKM4BLSZTY4KLFS4Y323FQ

not attested not anchored not stored refs pending

Dichotomy for Real Holant$^c$ Problems

Jin-Yi Cai, Mingji Xia, Pinyan Lu

arxiv:1702.02693 v1 · 2017-02-09 · 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{52TWNKM4BLSZTY4KLFS4Y323FQ}

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	2026-05-18T00:51:02.698120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea766a99c0ae599e38a5965cc6f5b2c29a97848f9f72bfcb7aca6669667f940

Aliases

arxiv: 1702.02693 · arxiv_version: 1702.02693v1 · doi: 10.48550/arxiv.1702.02693 · pith_short_12: 52TWNKM4BLSZ · pith_short_16: 52TWNKM4BLSZTY4K · pith_short_8: 52TWNKM4

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/52TWNKM4BLSZTY4KLFS4Y323FQ \
  | 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: eea766a99c0ae599e38a5965cc6f5b2c29a97848f9f72bfcb7aca6669667f940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc501c35feed85915b68290fd47896ce29a1f33a66a041fbcb1443c24555dda5",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-02-09T03:51:01Z",
    "title_canon_sha256": "5d89a3d35bee54b07ae46748198656adfd17b60eeb7c11ddf8928bdbde1e89af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02693",
    "kind": "arxiv",
    "version": 1
  }
}