Pith Number

pith:M7SEBEQK

pith:2018:M7SEBEQKLKDJRCE6RRL5F25RQP

not attested not anchored not stored refs pending

Anti-$k$-labeling of graphs

Lin Chen, Rong-Hua Li, Shurong Zhang, Weihua Yang, Xiaxia Guan

arxiv:1810.06984 v1 · 2018-10-16 · 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{M7SEBEQKLKDJRCE6RRL5F25RQP}

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	2026-05-18T00:03:10.839962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e440920a5a8698889e8c57d2ebb183cd14b58302db32167379a905d47c5ea2

Aliases

arxiv: 1810.06984 · arxiv_version: 1810.06984v1 · doi: 10.48550/arxiv.1810.06984 · pith_short_12: M7SEBEQKLKDJ · pith_short_16: M7SEBEQKLKDJRCE6 · pith_short_8: M7SEBEQK

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/M7SEBEQKLKDJRCE6RRL5F25RQP \
  | 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: 67e440920a5a8698889e8c57d2ebb183cd14b58302db32167379a905d47c5ea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ff2e79bfbd6c5453e0fafb093391701fc5c351b83fdc72bcd15802e246e31f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-16T13:30:51Z",
    "title_canon_sha256": "b12b9e06d1f9166db0c4a9fd93a44b72052bd7cc4e91e7c593c3464794ab20d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06984",
    "kind": "arxiv",
    "version": 1
  }
}