Pith Number

pith:IRWHEIUQ

pith:2014:IRWHEIUQ542KSIDBFCKWJN3GLP

not attested not anchored not stored refs pending

Positive definite matrices in the view-points of planar networks and cluster subalgebras

Fang Li, Yichao Yang

arxiv:1406.6759 v1 · 2014-06-26 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRWHEIUQ542KSIDBFCKWJN3GLP}

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	2026-05-18T02:48:55.961057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446c722290ef34a92061289564b7665bfe80f06fdd977b204b9ea9c68c5ac6fa

Aliases

arxiv: 1406.6759 · arxiv_version: 1406.6759v1 · doi: 10.48550/arxiv.1406.6759 · pith_short_12: IRWHEIUQ542K · pith_short_16: IRWHEIUQ542KSIDB · pith_short_8: IRWHEIUQ

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/IRWHEIUQ542KSIDBFCKWJN3GLP \
  | 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: 446c722290ef34a92061289564b7665bfe80f06fdd977b204b9ea9c68c5ac6fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aafec75e71cee4e0af6b2333b6a7efa2be953e18cecc87e91b199cf9ef32dcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-06-26T03:52:05Z",
    "title_canon_sha256": "2a0fbf353e47bc21b0973030f8132793fe0be1a582102d2929b6070780c4dc60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6759",
    "kind": "arxiv",
    "version": 1
  }
}