Pith Number

pith:7KQS3OIP

pith:2018:7KQS3OIPLYYAI3VTCB5PR7KG7S

not attested not anchored not stored refs pending

Non-overlapping Dyck matrices

Andrea Lattanzi, Antonio Bernini, Elena Barcucci, Renzo Pinzani, Stefano Bilotta

arxiv:1811.10918 v1 · 2018-11-27 · 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{7KQS3OIPLYYAI3VTCB5PR7KG7S}

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	2026-05-17T23:59:45.666170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faa12db90f5e30046eb3107af8fd46fc8df6b23590e7bb0bcb7d5fcff4ead8f6

Aliases

arxiv: 1811.10918 · arxiv_version: 1811.10918v1 · doi: 10.48550/arxiv.1811.10918 · pith_short_12: 7KQS3OIPLYYA · pith_short_16: 7KQS3OIPLYYAI3VT · pith_short_8: 7KQS3OIP

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/7KQS3OIPLYYAI3VTCB5PR7KG7S \
  | 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: faa12db90f5e30046eb3107af8fd46fc8df6b23590e7bb0bcb7d5fcff4ead8f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7077aa5d80a4b950f3a17f2657402949d14bbec6166a0f1ed8f8fbea0d8c32a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-27T11:28:31Z",
    "title_canon_sha256": "30bdfab9e1ca382ecc862edf21e39db938d80ce4732f69bd64a5abbb28a32926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10918",
    "kind": "arxiv",
    "version": 1
  }
}