Pith Number

pith:2B4352HM

pith:2021:2B4352HM2FVWFJWHFGSGAFV7BR

not attested not anchored not stored refs pending

Bipartite 3-Regular Counting Problems with Mixed Signs

Austen Z. Fan, Jin-Yi Cai, Yin Liu

arxiv:2110.01173 v1 · 2021-10-04 · 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{2B4352HM2FVWFJWHFGSGAFV7BR}

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	2026-07-05T03:19:52.634616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d079bee8ecd16b62a6c729a46016bf0c6acf57c45c356f0b256b87e7d4a3fe00

Aliases

arxiv: 2110.01173 · arxiv_version: 2110.01173v1 · doi: 10.48550/arxiv.2110.01173 · pith_short_12: 2B4352HM2FVW · pith_short_16: 2B4352HM2FVWFJWH · pith_short_8: 2B4352HM

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/2B4352HM2FVWFJWHFGSGAFV7BR \
  | 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: d079bee8ecd16b62a6c729a46016bf0c6acf57c45c356f0b256b87e7d4a3fe00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb8290b917979968970e8876612cf58dc406d9654e8e4b5678365bb8ee1526f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2021-10-04T03:50:52Z",
    "title_canon_sha256": "94aa3d9813c0b54e1c4d42d6f9324e69b7dae0f7471566050afa9a538ca1a550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.01173",
    "kind": "arxiv",
    "version": 1
  }
}