Pith Number

pith:RUELNQY3

pith:2014:RUELNQY3OSQQ4PEV3LFFKNVDNJ

not attested not anchored not stored refs pending

Families with infants: speeding up algorithms for NP-hard problems using FFT

Alexander Golovnev, Alexander S. Kulikov, Ivan Mihajlin

arxiv:1410.2209 v1 · 2014-10-08 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUELNQY3OSQQ4PEV3LFFKNVDNJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:40:47.964811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d08b6c31b74a10e3c95daca5536a36a5621481abe3d89f516e0f4d1d855d863

Aliases

arxiv: 1410.2209 · arxiv_version: 1410.2209v1 · doi: 10.48550/arxiv.1410.2209 · pith_short_12: RUELNQY3OSQQ · pith_short_16: RUELNQY3OSQQ4PEV · pith_short_8: RUELNQY3

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/RUELNQY3OSQQ4PEV3LFFKNVDNJ \
  | 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: 8d08b6c31b74a10e3c95daca5536a36a5621481abe3d89f516e0f4d1d855d863

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "131efa95e0758414b684adaabcdf8e5cc8a3dc02fbc14d0ac76f53be0b063101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-10-08T18:27:38Z",
    "title_canon_sha256": "0a136778c3b660b88f808ae339350145c98699a7828814bd1dd133e8e72c0889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2209",
    "kind": "arxiv",
    "version": 1
  }
}