Pith Number

pith:EDMDRXJI

pith:2018:EDMDRXJI3IAFKXOXQ7ZZN635LG

not attested not anchored not stored refs pending

Connected greedy coloring $H$-free graphs

Ana Silva, Esdras Mota, Leonardo Sampaio

arxiv:1807.09034 v1 · 2018-07-24 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDMDRXJI3IAFKXOXQ7ZZN635LG}

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	2026-05-18T00:09:56.975341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d838dd28da00555dd787f396fb7d599231861c2dd2e317e16d8c2f80a0507a

Aliases

arxiv: 1807.09034 · arxiv_version: 1807.09034v1 · doi: 10.48550/arxiv.1807.09034 · pith_short_12: EDMDRXJI3IAF · pith_short_16: EDMDRXJI3IAFKXOX · pith_short_8: EDMDRXJI

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/EDMDRXJI3IAFKXOXQ7ZZN635LG \
  | 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: 20d838dd28da00555dd787f396fb7d599231861c2dd2e317e16d8c2f80a0507a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96bc224ecf35ef4eaa0c4db948d6652105432efe0c9ed2f5b11051c93ce51cbc",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-24T11:08:32Z",
    "title_canon_sha256": "5c7f2d2a57276a71ef450daf8d44eb9c45d351f8c3da43da8f24d2e0f7fff5eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09034",
    "kind": "arxiv",
    "version": 1
  }
}