Pith Number

pith:LLWKFK6L

pith:2021:LLWKFK6LU4OJ5P5VTXTK2YNQ3M

not attested not anchored not stored refs pending

Digraphs with exactly one Eulerian tour

Antoine Labelle, Luz Grisales, Rodrigo Posada, Stoyan Dimitrov

arxiv:2104.10734 v3 · 2021-04-21 · 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{LLWKFK6LU4OJ5P5VTXTK2YNQ3M}

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	2026-07-05T02:37:45.904205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aeca2abcba71c9ebfb59de6ad61b0db279f3e8cb1465550d94b45f52626e752

Aliases

arxiv: 2104.10734 · arxiv_version: 2104.10734v3 · doi: 10.48550/arxiv.2104.10734 · pith_short_12: LLWKFK6LU4OJ · pith_short_16: LLWKFK6LU4OJ5P5V · pith_short_8: LLWKFK6L

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/LLWKFK6LU4OJ5P5VTXTK2YNQ3M \
  | 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: 5aeca2abcba71c9ebfb59de6ad61b0db279f3e8cb1465550d94b45f52626e752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ec81824026735c25fdcf2a29923c4a66ac772c1af4b965f9e9792684830f46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-04-21T19:37:00Z",
    "title_canon_sha256": "b9ea198a5eeb50b916f6a47d1637279a306bff0263996c96a5cc3d6b64a2af4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10734",
    "kind": "arxiv",
    "version": 3
  }
}