Pith Number

pith:FVG6KL2I

pith:2026:FVG6KL2IYPBFE4DMFZ5APCG6AS

not attested not anchored not stored refs pending

The Complexity of Mixed Arc-Disjoint Spanning Subdigraphs with Antistrong Connectivity

Gregory Gutin, Hui Lei, Jiangdong Ai, Yongtang Shi

arxiv:2608.00115 v1 · 2026-07-31 · cs.DM · 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{FVG6KL2IYPBFE4DMFZ5APCG6AS}

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	2026-08-04T00:32:30.798097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d4de52f48c3c252706c2e7a0788de048952e851201d456de8fbd8fe7d800339

Aliases

arxiv: 2608.00115 · arxiv_version: 2608.00115v1 · doi: 10.48550/arxiv.2608.00115 · pith_short_12: FVG6KL2IYPBF · pith_short_16: FVG6KL2IYPBFE4DM · pith_short_8: FVG6KL2I

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/FVG6KL2IYPBFE4DMFZ5APCG6AS \
  | 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: 2d4de52f48c3c252706c2e7a0788de048952e851201d456de8fbd8fe7d800339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9bb192333eac7b8a1523857f26cc4f7d3ec5b2f9493b5cd8ec57a52d228cc58",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2026-07-31T09:06:50Z",
    "title_canon_sha256": "7b0f5a66cddd3aadd6af3c0cc5eb89f290d6ffb48b283b20b28edf1a3c0746e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00115",
    "kind": "arxiv",
    "version": 1
  }
}