Pith Number

pith:2OHWXB7W

pith:2011:2OHWXB7W2QQLA67KMZTL4BEXP3

not attested not anchored not stored refs pending

Linear Systems on Edge-Weighted Graphs

Rick Miranda, Rodney James

arxiv:1105.0227 v1 · 2011-05-02 · math.AG · 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{2OHWXB7W2QQLA67KMZTL4BEXP3}

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	2026-05-18T00:30:55.763474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38f6b87f6d420b07bea6666be04977ef31bcb6be31a6b7f16b04b4edd8469e3

Aliases

arxiv: 1105.0227 · arxiv_version: 1105.0227v1 · doi: 10.48550/arxiv.1105.0227 · pith_short_12: 2OHWXB7W2QQL · pith_short_16: 2OHWXB7W2QQLA67K · pith_short_8: 2OHWXB7W

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/2OHWXB7W2QQLA67KMZTL4BEXP3 \
  | 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: d38f6b87f6d420b07bea6666be04977ef31bcb6be31a6b7f16b04b4edd8469e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f1abc3371bd5a75e996c4dd4c0f785ee789aaa85baef9f4105ab0bf5e44df71",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-05-02T00:24:24Z",
    "title_canon_sha256": "841778b98a2b2d70ee181c92a3c75ea59fcd9f4e350b44081b2f4172365f1b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0227",
    "kind": "arxiv",
    "version": 1
  }
}