Pith Number

pith:L6RATBIT

pith:2021:L6RATBITUZRPVNSUDGLA2FLR7D

not attested not anchored not stored refs pending

Colorings with neighborhood parity condition

Mirko Petru\v{s}evski, Riste \v{S}krekovski

arxiv:2112.13710 v3 · 2021-12-27 · 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{L6RATBITUZRPVNSUDGLA2FLR7D}

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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.

Cited by

1 paper in Pith

Complexity Classification of Colouring Problems with Parity Constraints

Receipt and verification

First computed	2026-07-05T04:36:09.340954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fa2098513a662fab65419960d1571f8fe6469f784d4bdfaa8edd0b2c27e075a

Aliases

arxiv: 2112.13710 · arxiv_version: 2112.13710v3 · doi: 10.48550/arxiv.2112.13710 · pith_short_12: L6RATBITUZRP · pith_short_16: L6RATBITUZRPVNSU · pith_short_8: L6RATBIT

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/L6RATBITUZRPVNSUDGLA2FLR7D \
  | 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: 5fa2098513a662fab65419960d1571f8fe6469f784d4bdfaa8edd0b2c27e075a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81870da88baa6a56121e51d26d799aecaa34911d002e95ff91757a1ac21f4e10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-12-27T14:34:29Z",
    "title_canon_sha256": "ec4ac118c3026e5de0473adecf104e4e152aa75bc034da1122e3f06ef0d756d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13710",
    "kind": "arxiv",
    "version": 3
  }
}