Pith Number

pith:LG6G5QMH

pith:2024:LG6G5QMHK4RAER566PHMH6RIPY

not attested not anchored not stored refs pending

Simplicial complexes and matroids with vanishing $T^2$

Alexandru Constantinescu, Anurag Singh, Lorenzo Venturello, Patricia Klein, Thai Thanh Nguyen

arxiv:2406.02440 v2 · 2024-06-04 · math.CO · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LG6G5QMHK4RAER566PHMH6RIPY}

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	2026-07-05T10:35:33.401300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59bc6ec18757220247bef3cec3fa287e019d7e2644e0ad560e11768189940cb4

Aliases

arxiv: 2406.02440 · arxiv_version: 2406.02440v2 · doi: 10.48550/arxiv.2406.02440 · pith_short_12: LG6G5QMHK4RA · pith_short_16: LG6G5QMHK4RAER56 · pith_short_8: LG6G5QMH

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/LG6G5QMHK4RAER566PHMH6RIPY \
  | 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: 59bc6ec18757220247bef3cec3fa287e019d7e2644e0ad560e11768189940cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de063a70f0e19a07082a409217a7d2e518fc7db3c965f1e858154d2ddcd48638",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-06-04T16:01:57Z",
    "title_canon_sha256": "39a20291fe675b56a3d915346bd14952774147fc5a6ad4f7979c975664ef564d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.02440",
    "kind": "arxiv",
    "version": 2
  }
}