Pith Number

pith:X6A2LT65

pith:2012:X6A2LT65ZUFJPWGN75ZBAJ2MPU

not attested not anchored not stored refs pending

Sparse Long Blocks and the Micro-Structure of the Longest Common Subsequences

C. Houdr\'e, H. Matzinger, S. Amsalu

arxiv:1204.1005 v2 · 2012-04-04 · math.PR · math-ph · math.CO · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6A2LT65ZUFJPWGN75ZBAJ2MPU}

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	2026-05-18T03:00:39.956579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf81a5cfddcd0a97d8cdff7210274c7d036ed378c86fe3481fcd7ac6dbb79ebb

Aliases

arxiv: 1204.1005 · arxiv_version: 1204.1005v2 · doi: 10.48550/arxiv.1204.1005 · pith_short_12: X6A2LT65ZUFJ · pith_short_16: X6A2LT65ZUFJPWGN · pith_short_8: X6A2LT65

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/X6A2LT65ZUFJPWGN75ZBAJ2MPU \
  | 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: bf81a5cfddcd0a97d8cdff7210274c7d036ed378c86fe3481fcd7ac6dbb79ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "461afdc9c8492a34e49b187b622426cbf17955a22a520902414192cd4a0346a7",
    "cross_cats_sorted": [
      "math-ph",
      "math.CO",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-04-04T17:14:33Z",
    "title_canon_sha256": "177801c7b2d275d103018c9eeb6b1b042b146fe42571595df5313a8f6501152f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1005",
    "kind": "arxiv",
    "version": 2
  }
}