Pith Number

pith:LYREXPR4

pith:2018:LYREXPR4PRGOBJEODWPHTOEXZ4

not attested not anchored not stored refs pending

Matching Observations to Distributions: Efficient Estimation via Sparsified Hungarian Algorithm

Abhay Parekh, Avishek Ghosh, Forest Yang, Kannan Ramchandran, Sinho Chewi

arxiv:1806.06766 v2 · 2018-06-18 · cs.DS · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYREXPR4PRGOBJEODWPHTOEXZ4}

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	2026-06-04T19:11:59.598228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e224bbe3c7c4ce0a48e1d9e79b897cf2a97e7a9411db3723e15d5c101ad27fb

Aliases

arxiv: 1806.06766 · arxiv_version: 1806.06766v2 · doi: 10.48550/arxiv.1806.06766 · pith_short_12: LYREXPR4PRGO · pith_short_16: LYREXPR4PRGOBJEO · pith_short_8: LYREXPR4

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/LYREXPR4PRGOBJEODWPHTOEXZ4 \
  | 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: 5e224bbe3c7c4ce0a48e1d9e79b897cf2a97e7a9411db3723e15d5c101ad27fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d3c24368f0ded4a1e914235b46319e3cd6a5c638919c3040b0cdc25f17fed3",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-18T15:19:05Z",
    "title_canon_sha256": "030be5ad9cecc7aaac891c2f35e77dabea8c5cf76a28989880873fadf6330eb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06766",
    "kind": "arxiv",
    "version": 2
  }
}