Pith Number

pith:6V6Y4GVB

pith:2017:6V6Y4GVBXUXZEFJM5PHBV5NQ6L

not attested not anchored not stored refs pending

The Complexity of All $(g,f)$-Factor Problem

Hongliang Lu

arxiv:1702.05874 v2 · 2017-02-20 · 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{6V6Y4GVBXUXZEFJM5PHBV5NQ6L}

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	2026-05-18T00:14:34.759706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57d8e1aa1bd2f92152cebce1af5b0f2d0e997bc46409152a4f252dd2934165c

Aliases

arxiv: 1702.05874 · arxiv_version: 1702.05874v2 · doi: 10.48550/arxiv.1702.05874 · pith_short_12: 6V6Y4GVBXUXZ · pith_short_16: 6V6Y4GVBXUXZEFJM · pith_short_8: 6V6Y4GVB

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/6V6Y4GVBXUXZEFJM5PHBV5NQ6L \
  | 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: f57d8e1aa1bd2f92152cebce1af5b0f2d0e997bc46409152a4f252dd2934165c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31eaf1c14df57a12f14e92328e72d5f4c19059d0bb7a530d7bc02b09552d86a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-20T06:35:24Z",
    "title_canon_sha256": "18efeab7af9fe7fe4bbb803453594eea440c68d88fb041c5ec1b34782d984009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05874",
    "kind": "arxiv",
    "version": 2
  }
}