Pith Number

pith:CWC5Q4FQ

pith:2015:CWC5Q4FQE65YTXBLA5SMT3HSFY

not attested not anchored not stored refs pending

Difference of forbidden pairs containing a claw

Guantao Chen, Michitaka Furuya, Ping Yang, Shoichi Tsuchiya, Songling Shan

arxiv:1505.00386 v1 · 2015-05-03 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWC5Q4FQE65YTXBLA5SMT3HSFY}

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	2026-05-18T02:17:10.297101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1585d870b027bb89dc2b0764c9ecf22e31435faf460a74b0e63c933fb5e304a9

Aliases

arxiv: 1505.00386 · arxiv_version: 1505.00386v1 · doi: 10.48550/arxiv.1505.00386 · pith_short_12: CWC5Q4FQE65Y · pith_short_16: CWC5Q4FQE65YTXBL · pith_short_8: CWC5Q4FQ

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/CWC5Q4FQE65YTXBLA5SMT3HSFY \
  | 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: 1585d870b027bb89dc2b0764c9ecf22e31435faf460a74b0e63c933fb5e304a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68742574dcfb23ae4918bac4e15c873f2ee5be8411a11fdaa8702a18c2202df8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-03T01:53:37Z",
    "title_canon_sha256": "6d4fb6d2748eb3a75680e8a23fabfc65947be6e2888cd14661cf3a047f5a09cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00386",
    "kind": "arxiv",
    "version": 1
  }
}