Pith Number

pith:2BRCZ3NJ

pith:2025:2BRCZ3NJQRXBPG5MTBJ73D6QJR

not attested not anchored not stored refs pending

Halfspace Representations of Path Polytopes of Trees

Aida Maraj, Alvaro Ribot, Amer Goel

arxiv:2502.21204 v1 · 2025-02-28 · math.CO · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BRCZ3NJQRXBPG5MTBJ73D6QJR}

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	2026-07-05T10:21:46.207336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0622ceda9846e179bac9853fd8fd04c7b284802e5ba38dafdcdce9d2c40b3ed

Aliases

arxiv: 2502.21204 · arxiv_version: 2502.21204v1 · doi: 10.48550/arxiv.2502.21204 · pith_short_12: 2BRCZ3NJQRXB · pith_short_16: 2BRCZ3NJQRXBPG5M · pith_short_8: 2BRCZ3NJ

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/2BRCZ3NJQRXBPG5MTBJ73D6QJR \
  | 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: d0622ceda9846e179bac9853fd8fd04c7b284802e5ba38dafdcdce9d2c40b3ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bbffd5ecc72043baf6c370ec47b204292d263fde73554cb1bce5b12b7a42f83",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-02-28T16:25:38Z",
    "title_canon_sha256": "eb8098dbe5ef7b6f0c1057c22a78335bedf055569531585a081721118925b28b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.21204",
    "kind": "arxiv",
    "version": 1
  }
}