Pith Number

pith:I5XPCBKA

pith:2018:I5XPCBKA7Z7IQ6XKMXB6J2K7Q5

not attested not anchored not stored refs pending

On chordal phylogeny graphs

Soogang Eoh, Suh-Ryung Kim

arxiv:1810.11982 v1 · 2018-10-29 · 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{I5XPCBKA7Z7IQ6XKMXB6J2K7Q5}

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	2026-05-18T00:02:06.786206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

476ef10540fe7e887aea65c3e4e95f87682bf937e1c23078a0e7458afeb962ac

Aliases

arxiv: 1810.11982 · arxiv_version: 1810.11982v1 · doi: 10.48550/arxiv.1810.11982 · pith_short_12: I5XPCBKA7Z7I · pith_short_16: I5XPCBKA7Z7IQ6XK · pith_short_8: I5XPCBKA

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/I5XPCBKA7Z7IQ6XKMXB6J2K7Q5 \
  | 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: 476ef10540fe7e887aea65c3e4e95f87682bf937e1c23078a0e7458afeb962ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be337f02d6341bf3a2eeeac16c2418a4ce0b22a327855001d9387ad319cc227",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-29T07:33:31Z",
    "title_canon_sha256": "036945df4f32bf5cd730c6f889b189df41bd0302871411d3ce491628e2bd6c43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11982",
    "kind": "arxiv",
    "version": 1
  }
}