Pith Number

pith:G7V7RF5Y

pith:2015:G7V7RF5Y57SRM5GCVVUTATKFKW

not attested not anchored not stored refs pending

Phylogenetic incongruence through the lens of Monadic Second Order logic

Celine Scornavacca, Leo van Iersel, Steven Kelk

arxiv:1503.00368 v1 · 2015-03-01 · cs.DS · cs.CE · cs.LO · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7V7RF5Y57SRM5GCVVUTATKFKW}

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	2026-05-18T02:25:54.609385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37ebf897b8efe51674c2ad69304d4555b43ec70ed1dd0d79ab387a4126d91503

Aliases

arxiv: 1503.00368 · arxiv_version: 1503.00368v1 · doi: 10.48550/arxiv.1503.00368 · pith_short_12: G7V7RF5Y57SR · pith_short_16: G7V7RF5Y57SRM5GC · pith_short_8: G7V7RF5Y

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/G7V7RF5Y57SRM5GCVVUTATKFKW \
  | 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: 37ebf897b8efe51674c2ad69304d4555b43ec70ed1dd0d79ab387a4126d91503

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9001c7ff83dfd47a770e499af7e8333ded4e34ad783392558be6b96c9b30b0c4",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.LO",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-03-01T22:31:31Z",
    "title_canon_sha256": "3d8a077fd33c86079c5b7f1ae65cfbdcb20b20f5278ae6a9b3edeee400261599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00368",
    "kind": "arxiv",
    "version": 1
  }
}