Pith Number

pith:2VWU2MKO

pith:2018:2VWU2MKOFUVEFWOPPIKEVBPYJE

not attested not anchored not stored refs pending

Revisiting the Hamiltonian Theme in the Square of a Block: The General Case

Gek L. Chia, Herbert Fleischner

arxiv:1805.04378 v1 · 2018-05-11 · 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{2VWU2MKOFUVEFWOPPIKEVBPYJE}

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	2026-05-18T00:16:12.675858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d56d4d314e2d2a42d9cf7a144a85f8490ce8a04c1a2156e09cea7c7117985966

Aliases

arxiv: 1805.04378 · arxiv_version: 1805.04378v1 · doi: 10.48550/arxiv.1805.04378 · pith_short_12: 2VWU2MKOFUVE · pith_short_16: 2VWU2MKOFUVEFWOP · pith_short_8: 2VWU2MKO

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/2VWU2MKOFUVEFWOPPIKEVBPYJE \
  | 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: d56d4d314e2d2a42d9cf7a144a85f8490ce8a04c1a2156e09cea7c7117985966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96760ee6972922780518ec38e3d4d8128344c1683b143e89be490a8f2dea4fa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-11T13:10:43Z",
    "title_canon_sha256": "ed354ce5ce5931db789ba912e81dbadc2ddd42fe700eb7bf2c01ba3bf46d47f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04378",
    "kind": "arxiv",
    "version": 1
  }
}