Pith Number

pith:DOQ6YGTW

pith:2009:DOQ6YGTWNEUSVTE3ASVHGWNTIG

not attested not anchored not stored refs pending

Submodular Functions: Extensions, Distributions, and Algorithms. A Survey

Shaddin Dughmi

arxiv:0912.0322 v4 · 2009-12-02 · 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{DOQ6YGTWNEUSVTE3ASVHGWNTIG}

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.

Cited by

1 paper in Pith

Joint Semantic Token Selection and Prompt Optimization for Interpretable Prompt Learning

Receipt and verification

First computed	2026-05-18T04:09:35.275614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba1ec1a7669292acc9b04aa7359b341b84f9fb7e427b71425ca9a367245ee3f

Aliases

arxiv: 0912.0322 · arxiv_version: 0912.0322v4 · doi: 10.48550/arxiv.0912.0322 · pith_short_12: DOQ6YGTWNEUS · pith_short_16: DOQ6YGTWNEUSVTE3 · pith_short_8: DOQ6YGTW

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/DOQ6YGTWNEUSVTE3ASVHGWNTIG \
  | 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: 1ba1ec1a7669292acc9b04aa7359b341b84f9fb7e427b71425ca9a367245ee3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b40fdc6c62f8339b3b3d4d3ffa0d7e8842b52c8343d326a484fd129523dcd354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-12-02T02:02:27Z",
    "title_canon_sha256": "9f229b826a05ae517715ba218ae542fb55c3d52cda3a6f0a9b1797f718187dcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0322",
    "kind": "arxiv",
    "version": 4
  }
}