Pith Number

pith:736GLD2W

pith:2019:736GLD2WAL2LG2L3CTFNQA7AUB

not attested not anchored not stored refs pending

A Space-efficient Parameterized Algorithm for the Hamiltonian Cycle Problem by Dynamic Algebraziation

Mahdi Belbasi, Martin F\"urer

arxiv:1901.07118 v1 · 2019-01-21 · 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{736GLD2WAL2LG2L3CTFNQA7AUB}

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	2026-05-17T23:55:48.107517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fefc658f5602f4b3697b14cad803e0a0766d2b0977114733c5858079c19981c6

Aliases

arxiv: 1901.07118 · arxiv_version: 1901.07118v1 · doi: 10.48550/arxiv.1901.07118 · pith_short_12: 736GLD2WAL2L · pith_short_16: 736GLD2WAL2LG2L3 · pith_short_8: 736GLD2W

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/736GLD2WAL2LG2L3CTFNQA7AUB \
  | 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: fefc658f5602f4b3697b14cad803e0a0766d2b0977114733c5858079c19981c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d05f23e95eab1d5d1c2d9f52f3b4f70078fd4f22cb0697acd50f3ca92db4f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-21T23:22:47Z",
    "title_canon_sha256": "4223c1c5112a73f812cb3d0f135d26aabfa5f6c70f2a7731e9ae0f5a7cdd9414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07118",
    "kind": "arxiv",
    "version": 1
  }
}