Pith Number

pith:BFTYAV4N

pith:2015:BFTYAV4NPXNUTFVFWF7LEQHXTX

not attested not anchored not stored refs pending

A practical index for approximate dictionary matching with few mismatches

Aleksander Cis{\l}ak, Szymon Grabowski

arxiv:1501.04948 v4 · 2015-01-20 · 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{BFTYAV4NPXNUTFVFWF7LEQHXTX}

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	2026-05-18T01:20:56.112575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096780578d7ddb4996a5b17eb240f79deff26570e0f2a1f794719f3dafc723fe

Aliases

arxiv: 1501.04948 · arxiv_version: 1501.04948v4 · doi: 10.48550/arxiv.1501.04948 · pith_short_12: BFTYAV4NPXNU · pith_short_16: BFTYAV4NPXNUTFVF · pith_short_8: BFTYAV4N

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/BFTYAV4NPXNUTFVFWF7LEQHXTX \
  | 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: 096780578d7ddb4996a5b17eb240f79deff26570e0f2a1f794719f3dafc723fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24f630896ac3fd711a56ead9a1a341cb6410433ee3692d7c1afb9a071cacc527",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-01-20T20:32:45Z",
    "title_canon_sha256": "1afa49080acf4aedc394e7aa765f6796dce3607b232bb7ca70bfd4e9dde07a53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04948",
    "kind": "arxiv",
    "version": 4
  }
}