Pith Number

pith:Z7XSMB72

pith:2021:Z7XSMB72O6C56EGVUTBGO7WFVZ

not attested not anchored not stored refs pending

Compatibility of Partitions with Trees, Hierarchies, and Split Systems

David Schaller, Marc Hellmuth, Peter F. Stadler

arxiv:2104.14146 v2 · 2021-04-29 · cs.DM · 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{Z7XSMB72O6C56EGVUTBGO7WFVZ}

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	2026-07-05T03:36:03.149936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfef2607fa7785df10d5a4c2677ec5ae4df79350996063bdfe8889661539336e

Aliases

arxiv: 2104.14146 · arxiv_version: 2104.14146v2 · doi: 10.48550/arxiv.2104.14146 · pith_short_12: Z7XSMB72O6C5 · pith_short_16: Z7XSMB72O6C56EGV · pith_short_8: Z7XSMB72

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/Z7XSMB72O6C56EGVUTBGO7WFVZ \
  | 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: cfef2607fa7785df10d5a4c2677ec5ae4df79350996063bdfe8889661539336e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "103a198f7fe6c4ef50812c81bd1f6ebf2b72e5f28069a01640a8e471f23d6516",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2021-04-29T06:55:35Z",
    "title_canon_sha256": "03db6bdacdf55fd6e6ebf5e8823c88b1b68eee5545c5c3880c78002a338278e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14146",
    "kind": "arxiv",
    "version": 2
  }
}