Pith Number

pith:JGRXMIFA

pith:2017:JGRXMIFA5D3GV2CCNU3I5VBWRO

not attested not anchored not stored refs pending

Total positivity of Narayana matrices

Arthur L.B. Yang, Yi Wang

arxiv:1702.07822 v1 · 2017-02-25 · math.CO · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGRXMIFA5D3GV2CCNU3I5VBWRO}

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	2026-05-18T00:49:56.966371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49a37620a0e8f66ae8426d368ed4368ba2d96dc5224c5ab8d9ccda46228c2de7

Aliases

arxiv: 1702.07822 · arxiv_version: 1702.07822v1 · doi: 10.48550/arxiv.1702.07822 · pith_short_12: JGRXMIFA5D3G · pith_short_16: JGRXMIFA5D3GV2CC · pith_short_8: JGRXMIFA

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/JGRXMIFA5D3GV2CCNU3I5VBWRO \
  | 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: 49a37620a0e8f66ae8426d368ed4368ba2d96dc5224c5ab8d9ccda46228c2de7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964691a92d6b5b53a209669a7016cf8dcd2134ae63b5c01e791997c0a1121577",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-25T02:46:57Z",
    "title_canon_sha256": "7f37782af03528988580eacec951eaae49ad0d514dc9c32deb8a28ed850957b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07822",
    "kind": "arxiv",
    "version": 1
  }
}