Pith Number

pith:T7NCWWQ6

pith:2017:T7NCWWQ6BH36FQBELR6R5DX72W

not attested not anchored not stored refs pending

A practical efficient and effective method for the Hamiltonian cycle problem that runs on a standard computer

Eric Lewin Altschuler, Timothy J. Williams

arxiv:1701.03136 v2 · 2017-01-11 · 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{T7NCWWQ6BH36FQBELR6R5DX72W}

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	2026-05-18T00:52:22.220827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fda2b5a1e09f7e2c0245c7d1e8effd58b4044977ce595cdf8801c57ff3f4cc0

Aliases

arxiv: 1701.03136 · arxiv_version: 1701.03136v2 · doi: 10.48550/arxiv.1701.03136 · pith_short_12: T7NCWWQ6BH36 · pith_short_16: T7NCWWQ6BH36FQBE · pith_short_8: T7NCWWQ6

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/T7NCWWQ6BH36FQBELR6R5DX72W \
  | 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: 9fda2b5a1e09f7e2c0245c7d1e8effd58b4044977ce595cdf8801c57ff3f4cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb3c09652ede6ad127061b5aa3e07375457a945b2b792a0dd77ec64bd7697b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-01-11T19:38:20Z",
    "title_canon_sha256": "323e16c38ceec3a8fa5ec2b8478b59c948efdb9d72ac94072bf4f9ac1873905e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03136",
    "kind": "arxiv",
    "version": 2
  }
}