Pith Number

pith:JZ5N3PQN

pith:2019:JZ5N3PQNYR5PVXIWAP7MEW7YBF

not attested not anchored not stored refs pending

Reducing approximate Longest Common Subsequence to approximate Edit Distance

Aviad Rubinstein, Zhao Song

arxiv:1904.05451 v1 · 2019-04-10 · 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{JZ5N3PQNYR5PVXIWAP7MEW7YBF}

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	2026-05-17T23:48:49.484202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e7addbe0dc47afadd1603fec25bf80971f0268fe3a8dcb35d7f3ffcd8fa5cce

Aliases

arxiv: 1904.05451 · arxiv_version: 1904.05451v1 · doi: 10.48550/arxiv.1904.05451 · pith_short_12: JZ5N3PQNYR5P · pith_short_16: JZ5N3PQNYR5PVXIW · pith_short_8: JZ5N3PQN

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/JZ5N3PQNYR5PVXIWAP7MEW7YBF \
  | 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: 4e7addbe0dc47afadd1603fec25bf80971f0268fe3a8dcb35d7f3ffcd8fa5cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9377472d5c2bd5a5cd727179730952ce30ca265085e69c47794b244eb3a213",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-10T21:36:47Z",
    "title_canon_sha256": "1b1ffdab84937b7fb083554495abfa8952ae2daaec7ed0fd7807cc0fe32cf43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05451",
    "kind": "arxiv",
    "version": 1
  }
}