Pith Number

pith:XCJWLM4K

pith:2021:XCJWLM4KV7XFXLEZBOL2B7XRIR

not attested not anchored not stored refs pending

A fast algorithm on average for solving the Hamilton Cycle problem

Michael Anastos

arxiv:2111.14771 v3 · 2021-11-29 · math.CO · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCJWLM4KV7XFXLEZBOL2B7XRIR}

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	2026-07-05T05:06:53.387975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b89365b38aafee5bac990b97a0fef14444c91dc3cd1a9d3bd5e49738224dcde8

Aliases

arxiv: 2111.14771 · arxiv_version: 2111.14771v3 · doi: 10.48550/arxiv.2111.14771 · pith_short_12: XCJWLM4KV7XF · pith_short_16: XCJWLM4KV7XFXLEZ · pith_short_8: XCJWLM4K

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/XCJWLM4KV7XFXLEZBOL2B7XRIR \
  | 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: b89365b38aafee5bac990b97a0fef14444c91dc3cd1a9d3bd5e49738224dcde8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b760a4e03486d529c5799390ef00970d8916155102cccc239b9712edc1e530d9",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-11-29T18:21:29Z",
    "title_canon_sha256": "dbcf525fa2cea86821241ec87d0110c1a345d3e26d503ef8c2086c32416238a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14771",
    "kind": "arxiv",
    "version": 3
  }
}