Pith Number

pith:CVPRYHPM

pith:2011:CVPRYHPM662U43J3DRDT3TQKGS

not attested not anchored not stored refs pending

Algorithms for Implicit Hitting Set Problems

Erick Moreno-Centeno, Karthekeyan Chandrasekaran, Richard Karp, Santosh Vempala

arxiv:1102.1472 v1 · 2011-02-07 · 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{CVPRYHPM662U43J3DRDT3TQKGS}

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	2026-05-18T04:29:53.150957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

155f1c1decf7b54e6d3b1c473dce0a349cb70ae9f403fc66c8ecc25fa960087e

Aliases

arxiv: 1102.1472 · arxiv_version: 1102.1472v1 · doi: 10.48550/arxiv.1102.1472 · pith_short_12: CVPRYHPM662U · pith_short_16: CVPRYHPM662U43J3 · pith_short_8: CVPRYHPM

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/CVPRYHPM662U43J3DRDT3TQKGS \
  | 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: 155f1c1decf7b54e6d3b1c473dce0a349cb70ae9f403fc66c8ecc25fa960087e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6fdb4c8fb3b35b01ad41b81589330cddfb991cc6a670e6ebe65b16d8927e3d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-07T23:40:58Z",
    "title_canon_sha256": "cc488dbb729ceb1adb9488fb91777ed6e299438b7ab12b45ded964c4528cd7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1472",
    "kind": "arxiv",
    "version": 1
  }
}