Pith Number

pith:I47TWU6W

pith:2016:I47TWU6WKBE72BPY3PLYIKQAVX

not attested not anchored not stored refs pending

Identifying the minor set cover of dense connected bipartite graphs via random matching edge sets

Kathleen E. Hamilton, Travis S. Humble

arxiv:1612.07366 v1 · 2016-12-21 · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I47TWU6WKBE72BPY3PLYIKQAVX}

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	2026-05-18T00:54:10.195002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473f3b53d65049fd05f8dbd7842a00adfd579809f866b7a0560a7437c08ab397

Aliases

arxiv: 1612.07366 · arxiv_version: 1612.07366v1 · doi: 10.48550/arxiv.1612.07366 · pith_short_12: I47TWU6WKBE7 · pith_short_16: I47TWU6WKBE72BPY · pith_short_8: I47TWU6W

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/I47TWU6WKBE72BPY3PLYIKQAVX \
  | 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: 473f3b53d65049fd05f8dbd7842a00adfd579809f866b7a0560a7437c08ab397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "070d9a2331289601c13877067f500f070e0f6c2605079002bdc31ecdc7f98d5b",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-12-21T22:09:34Z",
    "title_canon_sha256": "f30e950ebf07f9e3a9e2c3ccf89f0c6b5385352edaaef34f2d3e12e16967886a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07366",
    "kind": "arxiv",
    "version": 1
  }
}