Pith Number

pith:ETZHDICD

pith:2009:ETZHDICDAZKCKAKQCD6KPGPTXO

not attested not anchored not stored refs pending

A note on $k$-cordial $p$-uniform hypertrees

Agnieszka Goerlich, Sylwia Cichacz

arxiv:0910.2344 v1 · 2009-10-13 · 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{ETZHDICDAZKCKAKQCD6KPGPTXO}

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	2026-05-18T03:58:38.477192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f271a043065425015010fca799f3bba2c1b0ae460fec5383ff8d142bfc8d7e

Aliases

arxiv: 0910.2344 · arxiv_version: 0910.2344v1 · doi: 10.48550/arxiv.0910.2344 · pith_short_12: ETZHDICDAZKC · pith_short_16: ETZHDICDAZKCKAKQ · pith_short_8: ETZHDICD

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/ETZHDICDAZKCKAKQCD6KPGPTXO \
  | 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: 24f271a043065425015010fca799f3bba2c1b0ae460fec5383ff8d142bfc8d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0a3fa4663ec1e1bfb7c2f3e9dc881e6f4b1da6ef3e5d5a2a89ee53cc7250f7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-10-13T09:27:27Z",
    "title_canon_sha256": "815691d628a2057590ff544c808dd1f79abcb3f2bb32fa2ed395a8307f709477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2344",
    "kind": "arxiv",
    "version": 1
  }
}