Pith Number

pith:TYMRMUDD

pith:2016:TYMRMUDDTWTNLNQEN3NWVGWVYX

not attested not anchored not stored refs pending

Parameterized counting of trees, forests and matroid bases

Cornelius Brand, Marc Roth

arxiv:1611.01823 v1 · 2016-11-06 · cs.CC · 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{TYMRMUDDTWTNLNQEN3NWVGWVYX}

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	2026-05-18T00:59:34.079919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e191650639da6d5b6046edb6a9ad5c5ca71bd1785db868eb9400d1b23c2f507

Aliases

arxiv: 1611.01823 · arxiv_version: 1611.01823v1 · doi: 10.48550/arxiv.1611.01823 · pith_short_12: TYMRMUDDTWTN · pith_short_16: TYMRMUDDTWTNLNQE · pith_short_8: TYMRMUDD

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/TYMRMUDDTWTNLNQEN3NWVGWVYX \
  | 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: 9e191650639da6d5b6046edb6a9ad5c5ca71bd1785db868eb9400d1b23c2f507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83a62d55958a342a05d303ce16639a019fc6c11109667e1ac21118233e22dfc2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-11-06T18:53:56Z",
    "title_canon_sha256": "d6ce5ca430c3a361df2bdf1facc815cf884771861c517e522da260190489b3ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01823",
    "kind": "arxiv",
    "version": 1
  }
}