Pith Number

pith:5MMH5OHS

pith:2023:5MMH5OHSCX7L22PLW734XF6ZWR

not attested not anchored not stored refs pending

Semistrong edge coloring and $(0,1)$-relaxed strong edge coloring of graphs

Wensong Lin, Yuquan Lin

arxiv:2310.12552 v2 · 2023-10-19 · 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{5MMH5OHSCX7L22PLW734XF6ZWR}

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	2026-06-04T00:06:42.758185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb187eb8f215febd69ebb7f7cb97d9b452f2fc377ef2c642a94270935c58dde6

Aliases

arxiv: 2310.12552 · arxiv_version: 2310.12552v2 · doi: 10.48550/arxiv.2310.12552 · pith_short_12: 5MMH5OHSCX7L · pith_short_16: 5MMH5OHSCX7L22PL · pith_short_8: 5MMH5OHS

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/5MMH5OHSCX7L22PLW734XF6ZWR \
  | 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: eb187eb8f215febd69ebb7f7cb97d9b452f2fc377ef2c642a94270935c58dde6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3627c30fe832931f79f34ca46a16c7c816c511b6aab38b3100b9305de4f442",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-10-19T08:00:32Z",
    "title_canon_sha256": "c37e19f7a4e08776bc6c77be791638331111ab98292fabc630e9e006079cc068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.12552",
    "kind": "arxiv",
    "version": 2
  }
}