Pith Number

pith:2F7SJTT4

pith:2011:2F7SJTT47U6YJGF3CHX4HB6A2V

not attested not anchored not stored refs pending

Computing a Longest Common Palindromic Subsequence

Md. Mahbubul Hasan, M. Sohel Rahman, Shihabur Rahman Chowdhury, Sumaiya Iqbal

arxiv:1110.5296 v1 · 2011-10-24 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2F7SJTT47U6YJGF3CHX4HB6A2V}

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	2026-05-18T04:10:24.187334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d17f24ce7cfd3d8498bb11efc387c0d559abddbcbc0ba2d80ba94677a358dbb4

Aliases

arxiv: 1110.5296 · arxiv_version: 1110.5296v1 · doi: 10.48550/arxiv.1110.5296 · pith_short_12: 2F7SJTT47U6Y · pith_short_16: 2F7SJTT47U6YJGF3 · pith_short_8: 2F7SJTT4

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/2F7SJTT47U6YJGF3CHX4HB6A2V \
  | 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: d17f24ce7cfd3d8498bb11efc387c0d559abddbcbc0ba2d80ba94677a358dbb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed3fefee563e66df8753a754fdf354d8f2fc88917aca6f1bea36cd1751717e52",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-10-24T18:20:43Z",
    "title_canon_sha256": "82e39af321ad010acf3da24497c6f9916854aab5ef02e3c0ebd7792f4022a5b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5296",
    "kind": "arxiv",
    "version": 1
  }
}