Pith Number

pith:QECKB3LX

pith:2025:QECKB3LXWQBJTSCMPBRIY6BEQP

not attested not anchored not stored refs pending

A 0.51-Approximation of Maximum Matching in Sublinear $n^{1.5}$ Time

Jakub Tarnawski, Mohammad Roghani, Sepideh Mahabadi

arxiv:2506.01669 v1 · 2025-06-02 · 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{QECKB3LXWQBJTSCMPBRIY6BEQP}

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	2026-07-05T11:14:17.520472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8104a0ed77b40299c84c78628c782483eb60efec5a1b8fd175e1ad6df7bd6316

Aliases

arxiv: 2506.01669 · arxiv_version: 2506.01669v1 · doi: 10.48550/arxiv.2506.01669 · pith_short_12: QECKB3LXWQBJ · pith_short_16: QECKB3LXWQBJTSCM · pith_short_8: QECKB3LX

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/QECKB3LXWQBJTSCMPBRIY6BEQP \
  | 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: 8104a0ed77b40299c84c78628c782483eb60efec5a1b8fd175e1ad6df7bd6316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71fe30974f4447d5decb3ebcfc465f51e9b01b74aad6638aa7e58b1088b28124",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-06-02T13:38:55Z",
    "title_canon_sha256": "3b439e98b3a4365ed9fc5695085f98c8c4ef94452bcced670780f61bb0cc4a04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01669",
    "kind": "arxiv",
    "version": 1
  }
}