Pith Number

pith:KI2NVFO4

pith:2013:KI2NVFO4SIDY5OCTWAPD7LLG7S

not attested not anchored not stored refs pending

Tres lecciones en combinatoria algebraica. I. Matrices totalmente no negativas y funciones sim\'etricas

Emerson Leon, Federico Ardila, Mark Skandera, Mercedes Rosas

arxiv:1301.3987 v1 · 2013-01-17 · 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{KI2NVFO4SIDY5OCTWAPD7LLG7S}

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	2026-05-18T03:36:14.703220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5234da95dc92078eb853b01e3fad66fca2a296f6589da38681b9e423f31f1f0a

Aliases

arxiv: 1301.3987 · arxiv_version: 1301.3987v1 · doi: 10.48550/arxiv.1301.3987 · pith_short_12: KI2NVFO4SIDY · pith_short_16: KI2NVFO4SIDY5OCT · pith_short_8: KI2NVFO4

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/KI2NVFO4SIDY5OCTWAPD7LLG7S \
  | 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: 5234da95dc92078eb853b01e3fad66fca2a296f6589da38681b9e423f31f1f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "698ebf34c2044d17f3ca56f8349da8e9f57fc54b474511ead8e9f57b64e9d2dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-17T05:21:56Z",
    "title_canon_sha256": "cc0402c12a8403a77dc93f1bcd5f6996c5122d4577d5de434b0d29fa68e8eb29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3987",
    "kind": "arxiv",
    "version": 1
  }
}