Pith Number

pith:7FY7NDS2

pith:2018:7FY7NDS2Q7CJEUHQRU67XFWHKK

not attested not anchored not stored refs pending

Combinatorial manifolds are Hamiltonian

Oliver Knill

arxiv:1806.06436 v1 · 2018-06-17 · cs.DM · 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{7FY7NDS2Q7CJEUHQRU67XFWHKK}

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	2026-05-18T00:13:02.402096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f971f68e5a87c49250f08d3dfb96c7529288cec70df7d15366712d4ac4678551

Aliases

arxiv: 1806.06436 · arxiv_version: 1806.06436v1 · doi: 10.48550/arxiv.1806.06436 · pith_short_12: 7FY7NDS2Q7CJ · pith_short_16: 7FY7NDS2Q7CJEUHQ · pith_short_8: 7FY7NDS2

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/7FY7NDS2Q7CJEUHQRU67XFWHKK \
  | 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: f971f68e5a87c49250f08d3dfb96c7529288cec70df7d15366712d4ac4678551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0999362bf010f88d07493ae9ce11107faf2bd5e51cd339741e5c7c665a6a6987",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-06-17T20:02:00Z",
    "title_canon_sha256": "be50018671804e0591fd6846590beca066474143c575480dafdd0e0a6dae0901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06436",
    "kind": "arxiv",
    "version": 1
  }
}