Pith Number

pith:T6VBV6Q4

pith:2018:T6VBV6Q4RTUJCN4LQYGXKBYR5F

not attested not anchored not stored refs pending

An Optimal Approximation for Submodular Maximization under a Matroid Constraint in the Adaptive Complexity Model

Aviad Rubinstein, Eric Balkanski, Yaron Singer

arxiv:1811.03093 v1 · 2018-11-07 · 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{T6VBV6Q4RTUJCN4LQYGXKBYR5F}

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	2026-05-18T00:01:19.095180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9faa1afa1c8ce891378b860d750711e9564094637fc5a2a865f8346ae71d794e

Aliases

arxiv: 1811.03093 · arxiv_version: 1811.03093v1 · doi: 10.48550/arxiv.1811.03093 · pith_short_12: T6VBV6Q4RTUJ · pith_short_16: T6VBV6Q4RTUJCN4L · pith_short_8: T6VBV6Q4

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/T6VBV6Q4RTUJCN4LQYGXKBYR5F \
  | 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: 9faa1afa1c8ce891378b860d750711e9564094637fc5a2a865f8346ae71d794e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d989897cf8c5dd75392e1fa623b3943518f2aced0845445fa1d0dd39c061b319",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-07T18:20:03Z",
    "title_canon_sha256": "72f2f6e77940a55af161a181c64166ad33ec2bd52d49bc27cd4c64ed8920d853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03093",
    "kind": "arxiv",
    "version": 1
  }
}