Pith Number

pith:RRPYRNRQ

pith:2018:RRPYRNRQ6ZWQPWOLVME4JAM36V

not attested not anchored not stored refs pending

Fast submodular maximization subject to k-extendible system constraints

Antonios Tsourdos, Hyo-Sang Shin, Teng Li

arxiv:1811.07673 v1 · 2018-11-19 · 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{RRPYRNRQ6ZWQPWOLVME4JAM36V}

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	2026-05-18T00:00:23.795580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c5f88b630f66d07d9cbab09c4819bf545f33c11fee1b6525a3de49a25b769cd

Aliases

arxiv: 1811.07673 · arxiv_version: 1811.07673v1 · doi: 10.48550/arxiv.1811.07673 · pith_short_12: RRPYRNRQ6ZWQ · pith_short_16: RRPYRNRQ6ZWQPWOL · pith_short_8: RRPYRNRQ

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/RRPYRNRQ6ZWQPWOLVME4JAM36V \
  | 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: 8c5f88b630f66d07d9cbab09c4819bf545f33c11fee1b6525a3de49a25b769cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db8344819898a0e2c0adf0fdf984ade1d10a61cffb110e844d368f63f638704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-19T13:32:37Z",
    "title_canon_sha256": "c12a75707d82adb2a348872207ed1984cfab408c4eb00a4c97101a8a71cd2594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07673",
    "kind": "arxiv",
    "version": 1
  }
}