Pith Number

pith:PCAMSEC6

pith:2019:PCAMSEC6BLPB7JF2YVZLOJTQCW

not attested not anchored not stored refs pending

Domination ratio of integer distance digraphs

Jia Huang

arxiv:1903.01844 v1 · 2019-03-05 · 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{PCAMSEC6BLPB7JF2YVZLOJTQCW}

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	2026-05-17T23:51:59.617501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7880c9105e0ade1fa4bac572b7267015978160e714cd3cb9ee1f94fe604eb613

Aliases

arxiv: 1903.01844 · arxiv_version: 1903.01844v1 · doi: 10.48550/arxiv.1903.01844 · pith_short_12: PCAMSEC6BLPB · pith_short_16: PCAMSEC6BLPB7JF2 · pith_short_8: PCAMSEC6

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/PCAMSEC6BLPB7JF2YVZLOJTQCW \
  | 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: 7880c9105e0ade1fa4bac572b7267015978160e714cd3cb9ee1f94fe604eb613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54c47e5a009f1595ea3b0a76913051c334002120fd95b5a986f70a166f5f376c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-05T14:28:04Z",
    "title_canon_sha256": "6f3cc3254a4e510e0922e1f4c3a7ed65b9f4ef369843eebb8e94b5026e21932d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01844",
    "kind": "arxiv",
    "version": 1
  }
}