Pith Number

pith:H45QAKTR

pith:2008:H45QAKTRXLB2FULTR7V6DSAS7W

not attested not anchored not stored refs pending

Improved Algorithms for Approximate String Matching (Extended Abstract)

Dimitris Papamichail, Georgios Papamichail

arxiv:0807.4368 v1 · 2008-07-28 · 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{H45QAKTRXLB2FULTR7V6DSAS7W}

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	2026-07-04T15:13:13.996673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3b002a71bac3a2d1738febe1c812fd8471737bc9f75ae8797089003095334c

Aliases

arxiv: 0807.4368 · arxiv_version: 0807.4368v1 · doi: 10.48550/arxiv.0807.4368 · pith_short_12: H45QAKTRXLB2 · pith_short_16: H45QAKTRXLB2FULT · pith_short_8: H45QAKTR

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/H45QAKTRXLB2FULTR7V6DSAS7W \
  | 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: 3f3b002a71bac3a2d1738febe1c812fd8471737bc9f75ae8797089003095334c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47eabe27e03a8aa63471c367a3303d7c67d8c27ac5243b5bd8eea3a6453bd359",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2008-07-28T07:17:57Z",
    "title_canon_sha256": "d42aea8db19b3aa64744d481c5d87a69d57b39d96f2f6acbcbaa8debd87c124d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4368",
    "kind": "arxiv",
    "version": 1
  }
}