Pith Number

pith:2BSA32DG

pith:2026:2BSA32DGDIYAAIGV6F7GH4CMUV

not attested not anchored not stored refs pending

Ehrhart positivity for lattice path matroids

Alejandro H. Morales, Greta Panova, Luis Ferroni

arxiv:2605.22673 v1 · 2026-05-21 · 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{2BSA32DGDIYAAIGV6F7GH4CMUV}

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	2026-05-22T02:04:49.545472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0640de8661a300020d5f17e63f04ca559900b78b8d4651345265668fc524cf9

Aliases

arxiv: 2605.22673 · arxiv_version: 2605.22673v1 · doi: 10.48550/arxiv.2605.22673 · pith_short_12: 2BSA32DGDIYA · pith_short_16: 2BSA32DGDIYAAIGV · pith_short_8: 2BSA32DG

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/2BSA32DGDIYAAIGV6F7GH4CMUV \
  | 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: d0640de8661a300020d5f17e63f04ca559900b78b8d4651345265668fc524cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d79e9dbaf4359af6966cf03a6d2a7fc3cd499dfe4d48ef6f0dee20d4721e11d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-21T16:15:50Z",
    "title_canon_sha256": "78705a0d3edae8c4c62dc6ece14b535337d78f27f9b8296191c8cfcbbc156ec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22673",
    "kind": "arxiv",
    "version": 1
  }
}