Pith Number

pith:NASZJCPW

pith:2005:NASZJCPWGIANGMM7BEZ4GLPIWA

not attested not anchored not stored refs pending

Matching Subsequences in Trees

Inge Li Goertz, Philip Bille

arxiv:cs/0512061 v3 · 2005-12-15 · 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{NASZJCPWGIANGMM7BEZ4GLPIWA}

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	2026-05-18T04:08:54.132517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68259489f63200d3319f0933c32de8b017b4ef4c39e6b4a92e09520a0959e89e

Aliases

arxiv: cs/0512061 · arxiv_version: cs/0512061v3 · doi: 10.48550/arxiv.cs/0512061 · pith_short_12: NASZJCPWGIAN · pith_short_16: NASZJCPWGIANGMM7 · pith_short_8: NASZJCPW

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/NASZJCPWGIANGMM7BEZ4GLPIWA \
  | 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: 68259489f63200d3319f0933c32de8b017b4ef4c39e6b4a92e09520a0959e89e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7af21d1dfe88732a77bfde324405a2945eea71d4dee01743f2a74cc9024b565",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2005-12-15T10:28:04Z",
    "title_canon_sha256": "b9182ed9accce9631ce1eb0b09d0e6665c4c02e903dcd514b1fb92d0b4aaa1e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0512061",
    "kind": "arxiv",
    "version": 3
  }
}