Pith Number

pith:O7PXWVRG

pith:2018:O7PXWVRG3JBM55UFKPEWP6WXV5

not attested not anchored not stored refs pending

Zeros of Holant problems: locations and algorithms

Chao Liao, Chihao Zhang, Heng Guo, Pinyan Lu

arxiv:1807.09129 v2 · 2018-07-24 · 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{O7PXWVRG3JBM55UFKPEWP6WXV5}

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	2026-05-18T00:08:53.682592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77df7b5626da42cef68553c967fad7af4965bef38dd8db0a7387120043d995a3

Aliases

arxiv: 1807.09129 · arxiv_version: 1807.09129v2 · doi: 10.48550/arxiv.1807.09129 · pith_short_12: O7PXWVRG3JBM · pith_short_16: O7PXWVRG3JBM55UF · pith_short_8: O7PXWVRG

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/O7PXWVRG3JBM55UFKPEWP6WXV5 \
  | 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: 77df7b5626da42cef68553c967fad7af4965bef38dd8db0a7387120043d995a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16db175593a93e01587149297c67cfa84f624de1fa988b2cc58ac225cc08f188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-24T14:03:05Z",
    "title_canon_sha256": "7108e65caa2a40dfb18aee255bb24227dfbea45688701424735bc7cf271c1de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09129",
    "kind": "arxiv",
    "version": 2
  }
}