Pith Number

pith:D6NMWMUT

pith:2018:D6NMWMUTSKJYMCQVQCZOOUDQSH

not attested not anchored not stored refs pending

Dynamic Set Cover: Improved Algorithms & Lower Bounds

Amir Abboud, Barna Saha, Debmalya Panigrahi, Fabrizio Grandoni, Raghavendra Addanki

arxiv:1804.03197 v3 · 2018-04-09 · 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{D6NMWMUTSKJYMCQVQCZOOUDQSH}

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	2026-05-17T23:46:09.724372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f9acb32939293860a1580b2e7507091c608599fcb4488474cff44d522c45fb7

Aliases

arxiv: 1804.03197 · arxiv_version: 1804.03197v3 · doi: 10.48550/arxiv.1804.03197 · pith_short_12: D6NMWMUTSKJY · pith_short_16: D6NMWMUTSKJYMCQV · pith_short_8: D6NMWMUT

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/D6NMWMUTSKJYMCQVQCZOOUDQSH \
  | 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: 1f9acb32939293860a1580b2e7507091c608599fcb4488474cff44d522c45fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d959fa6a628fe25dbf1de4a0a56dce29ed38b2b5b97528bf1db72e0cc7d71140",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-04-09T19:35:48Z",
    "title_canon_sha256": "f213266b4949a21bbb4181870053ea7684f81ed1748b39f2b68eabe577f75cb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03197",
    "kind": "arxiv",
    "version": 3
  }
}