Pith Number

pith:3VPNCDEI

pith:2012:3VPNCDEID5FIG4WS53ME36PPBQ

not attested not anchored not stored refs pending

On Approximating String Selection Problems with Outliers

Avivit Levy, Christina Boucher, David Pritchard, Gad M. Landau, Oren Weimann

arxiv:1202.2820 v1 · 2012-02-13 · 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{3VPNCDEID5FIG4WS53ME36PPBQ}

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	2026-05-18T04:02:25.637886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd5ed10c881f4a8372d2eed84df9ef0c1c35b00616c6397259ba6d109a9fb9a1

Aliases

arxiv: 1202.2820 · arxiv_version: 1202.2820v1 · doi: 10.48550/arxiv.1202.2820 · pith_short_12: 3VPNCDEID5FI · pith_short_16: 3VPNCDEID5FIG4WS · pith_short_8: 3VPNCDEI

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/3VPNCDEID5FIG4WS53ME36PPBQ \
  | 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: dd5ed10c881f4a8372d2eed84df9ef0c1c35b00616c6397259ba6d109a9fb9a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "537046597f8ed6ff33c8a030b017782265691f6a7d28b6c735d64790039e191f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-02-13T19:09:26Z",
    "title_canon_sha256": "b8ac98d9d7c092ed4e5d2a19998ef624cff919b6c8ccc4f4c19f387c25d02984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2820",
    "kind": "arxiv",
    "version": 1
  }
}