Pith Number

pith:DY77NCA6

pith:2013:DY77NCA6XT4D2AWISCJSZBMK3S

not attested not anchored not stored refs pending

Upper and Lower Bounds for Weak Backdoor Set Detection

Neeldhara Misra, Sebastian Ordyniak, Stefan Szeider, Venkatesh Raman

arxiv:1304.5518 v2 · 2013-04-19 · 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{DY77NCA6XT4D2AWISCJSZBMK3S}

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	2026-05-18T03:18:28.918741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e3ff6881ebcf83d02c890932c858adcb1c17cc70eef74d3d414e924931c545b

Aliases

arxiv: 1304.5518 · arxiv_version: 1304.5518v2 · doi: 10.48550/arxiv.1304.5518 · pith_short_12: DY77NCA6XT4D · pith_short_16: DY77NCA6XT4D2AWI · pith_short_8: DY77NCA6

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/DY77NCA6XT4D2AWISCJSZBMK3S \
  | 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: 1e3ff6881ebcf83d02c890932c858adcb1c17cc70eef74d3d414e924931c545b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ada76a702eca2b9ffd9e10bb559c630012043f4c8a81d3df416eed7da2793f31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-19T19:50:04Z",
    "title_canon_sha256": "01c50a0f206564edf705c40eb99d945e341d6f1e610990764160ee256efd988a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5518",
    "kind": "arxiv",
    "version": 2
  }
}