Pith Number

pith:LAFMGJCJ

pith:2013:LAFMGJCJQZSVM3EIWEBKIFTDTV

not attested not anchored not stored refs pending

Finding Distinct Subpalindromes Online

Arseny M. Shur, Dmitry Kosolobov, Mikhail Rubinchik

arxiv:1305.2540 v1 · 2013-05-11 · 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{LAFMGJCJQZSVM3EIWEBKIFTDTV}

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	2026-05-18T03:25:57.608050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

580ac324498665566c88b102a416639d5f108b381f92cd5c2a6f7d5c688b2308

Aliases

arxiv: 1305.2540 · arxiv_version: 1305.2540v1 · doi: 10.48550/arxiv.1305.2540 · pith_short_12: LAFMGJCJQZSV · pith_short_16: LAFMGJCJQZSVM3EI · pith_short_8: LAFMGJCJ

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/LAFMGJCJQZSVM3EIWEBKIFTDTV \
  | 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: 580ac324498665566c88b102a416639d5f108b381f92cd5c2a6f7d5c688b2308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af5ad4a9d8d60e6ea665e91898ba555ce3d063d27b96e53bc8b213db5db375d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-05-11T20:33:09Z",
    "title_canon_sha256": "d11ded2729a031e1349f137b64fff8a1a44c07b6fa934f8d1edf39c26839e764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2540",
    "kind": "arxiv",
    "version": 1
  }
}