Pith Number

pith:2YFQT7DL

pith:2016:2YFQT7DL4OYQF4OTM7RLL7DYE6

not attested not anchored not stored refs pending

Fixing improper colorings of graphs

Konstanty Junosza-Szaniawski, Mathieu Liedloff, Pawe{\l} Rz\k{a}\.zewski, Pedro Montealegre, Valentin Garnero

arxiv:1607.06911 v2 · 2016-07-23 · 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{2YFQT7DL4OYQF4OTM7RLL7DYE6}

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	2026-05-18T00:30:48.917212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d60b09fc6be3b102f1d367e2b5fc782792d7e2d6b82358ec53f8db7e44948e60

Aliases

arxiv: 1607.06911 · arxiv_version: 1607.06911v2 · doi: 10.48550/arxiv.1607.06911 · pith_short_12: 2YFQT7DL4OYQ · pith_short_16: 2YFQT7DL4OYQF4OT · pith_short_8: 2YFQT7DL

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/2YFQT7DL4OYQF4OTM7RLL7DYE6 \
  | 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: d60b09fc6be3b102f1d367e2b5fc782792d7e2d6b82358ec53f8db7e44948e60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6321f0f751078c70abb17bd1550634902d9071c92ca4136b0a76fdabed53f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-07-23T10:09:56Z",
    "title_canon_sha256": "baf68699ea62366b3b799d66f773def99fa9760acf6382c6dbb55f56f0ea4987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06911",
    "kind": "arxiv",
    "version": 2
  }
}