Pith Number

pith:LWMN67PZ

pith:2004:LWMN67PZNBVY6IDAZT24XIVEML

not attested not anchored not stored refs pending

The Largest Compatible Subset Problem for Phylogenetic Data

Ajith Abraham, Andy AuYeung

arxiv:cs/0405025 v1 · 2004-05-06 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWMN67PZNBVY6IDAZT24XIVEML}

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	2026-07-04T14:24:42.918865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d98df7df9686b8f2060ccf5cba2a462f337fb319e779b90d71c97f0d982f520

Aliases

arxiv: cs/0405025 · arxiv_version: cs/0405025v1 · doi: 10.48550/arxiv.cs/0405025 · pith_short_12: LWMN67PZNBVY · pith_short_16: LWMN67PZNBVY6IDA · pith_short_8: LWMN67PZ

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/LWMN67PZNBVY6IDAZT24XIVEML \
  | 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: 5d98df7df9686b8f2060ccf5cba2a462f337fb319e779b90d71c97f0d982f520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07bb79be220104814c3ba5522647f042b8ffd761d650ab23433ec8b08a3649b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "2004-05-06T13:52:23Z",
    "title_canon_sha256": "ff9e7a91176676107df29ff3df0153c0f47c2c84f15c50f93cca291be78a2fba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0405025",
    "kind": "arxiv",
    "version": 1
  }
}