Pith Number

pith:6ZOONEQF

pith:2020:6ZOONEQFROLLBEQFBKFYIUEMTW

not attested not anchored not stored refs pending

Revisiting Modified Greedy Algorithm for Monotone Submodular Maximization with a Knapsack Constraint

Andrew Lim, Chongshou Li, Jing Tang, Junsong Yuan, Kai Han, Xueyan Tang

arxiv:2008.05391 v2 · 2020-08-12 · cs.DS · cs.AI · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZOONEQFROLLBEQFBKFYIUEMTW}

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	2026-07-05T02:06:32.156173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65ce692058b96b092050a8b84508c9d81c10d74531ad824e77bd855faf6cf6c

Aliases

arxiv: 2008.05391 · arxiv_version: 2008.05391v2 · doi: 10.48550/arxiv.2008.05391 · pith_short_12: 6ZOONEQFROLL · pith_short_16: 6ZOONEQFROLLBEQF · pith_short_8: 6ZOONEQF

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/6ZOONEQFROLLBEQFBKFYIUEMTW \
  | 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: f65ce692058b96b092050a8b84508c9d81c10d74531ad824e77bd855faf6cf6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518c8cf7c8c15efb9e5a1bceeb43e42873620ce36f57c72355c0cfedc86453b2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-08-12T15:40:21Z",
    "title_canon_sha256": "91318fb7b07e396ba97872e55d2ccffefd51e191bd8d3543b3c88b54c373f8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.05391",
    "kind": "arxiv",
    "version": 2
  }
}