Pith Number

pith:LY53VEKO

pith:2018:LY53VEKOQS355PRTPVQKGH3DPP

not attested not anchored not stored refs pending

Max-Min Greedy Matching

Alon Eden, Michal Feldman, Uriel Feige

arxiv:1803.05501 v1 · 2018-03-14 · cs.GT · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LY53VEKOQS355PRTPVQKGH3DPP}

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	2026-05-18T00:20:55.281954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e3bba914e84b7debe337d60a31f637bf124d3da0fbb1a8c193fecf6fc375c55

Aliases

arxiv: 1803.05501 · arxiv_version: 1803.05501v1 · doi: 10.48550/arxiv.1803.05501 · pith_short_12: LY53VEKOQS35 · pith_short_16: LY53VEKOQS355PRT · pith_short_8: LY53VEKO

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/LY53VEKOQS355PRTPVQKGH3DPP \
  | 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: 5e3bba914e84b7debe337d60a31f637bf124d3da0fbb1a8c193fecf6fc375c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24147a361d9f49fce199e34e53afb825bf4cc26398c6cc4b965939f779434069",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-03-14T20:28:59Z",
    "title_canon_sha256": "20ad3386b5c6cd5b19d3b024e3fb7983ef1201cd85d207f56aff110a4d4f7c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05501",
    "kind": "arxiv",
    "version": 1
  }
}