Pith Number

pith:F7JNS5YC

pith:2017:F7JNS5YCRRXDY6HAYU76QKYOEW

not attested not anchored not stored refs pending

The spectral symmetry of weakly irreducible nonnegative tensors and connected hypergraphs

Chen-Lu Zhuan-Sun, Tao Huang, Yan-Hong Bao, Ya-Ping Li, Yi-Zheng Fan

arxiv:1704.08799 v3 · 2017-04-28 · 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{F7JNS5YCRRXDY6HAYU76QKYOEW}

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	2026-05-17T23:54:03.340533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd2d977028c6e3c78e0c53fe82b0e259c9e0a798aa89d5b9d810e193be89ce4

Aliases

arxiv: 1704.08799 · arxiv_version: 1704.08799v3 · doi: 10.48550/arxiv.1704.08799 · pith_short_12: F7JNS5YCRRXD · pith_short_16: F7JNS5YCRRXDY6HA · pith_short_8: F7JNS5YC

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/F7JNS5YCRRXDY6HAYU76QKYOEW \
  | 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: 2fd2d977028c6e3c78e0c53fe82b0e259c9e0a798aa89d5b9d810e193be89ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be99c81777422cdaba735cbe0b5a16a02e3beb9f003fdda0584d90eb8928969",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-28T03:40:53Z",
    "title_canon_sha256": "3d651c4819e663194eda940d92113f101d58c99f131b05a1a91d5aa250a917bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08799",
    "kind": "arxiv",
    "version": 3
  }
}