Pith Number

pith:Q2MVLBGJ

pith:2007:Q2MVLBGJPO76UVCIBG6ZB6MWBM

not attested not anchored not stored refs pending

On the Variance of the Optimal Alignments Score for Binary Random Words and an Asymmetric Scoring Function

Christian Houdr\'e, Heinrich Matzinger

arxiv:math/0702036 v3 · 2007-02-01 · math.PR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2MVLBGJPO76UVCIBG6ZB6MWBM}

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	2026-05-18T01:12:21.533206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86995584c97bbfea544809bd90f9960b21ee1f775a5964aa3db854c0b1e8fdaf

Aliases

arxiv: math/0702036 · arxiv_version: math/0702036v3 · doi: 10.48550/arxiv.math/0702036 · pith_short_12: Q2MVLBGJPO76 · pith_short_16: Q2MVLBGJPO76UVCI · pith_short_8: Q2MVLBGJ

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/Q2MVLBGJPO76UVCIBG6ZB6MWBM \
  | 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: 86995584c97bbfea544809bd90f9960b21ee1f775a5964aa3db854c0b1e8fdaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c7626e61267322c0535f54c6be474f385d4434ecc39b4699500d312758e9d5",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2007-02-01T22:35:35Z",
    "title_canon_sha256": "d8cd00de493904e2a3f5fb17e92a5995cad8ad4e926a029f730db0d7d77d7fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702036",
    "kind": "arxiv",
    "version": 3
  }
}