Pith Number

pith:YSBWW7PW

pith:2011:YSBWW7PWZEDA2Z3XS6DQ35FUBZ

not attested not anchored not stored refs pending

Approximating Low-Dimensional Coverage Problems

Ashwinkumar Badanidiyuru, Hooyeon Lee, Robert Kleinberg

arxiv:1112.0689 v1 · 2011-12-03 · cs.CG · 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{YSBWW7PWZEDA2Z3XS6DQ35FUBZ}

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	2026-05-18T04:07:05.928700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4836b7df6c9060d677797870df4b40e661fb4506898c3565913ebd02c1f48a1

Aliases

arxiv: 1112.0689 · arxiv_version: 1112.0689v1 · doi: 10.48550/arxiv.1112.0689 · pith_short_12: YSBWW7PWZEDA · pith_short_16: YSBWW7PWZEDA2Z3X · pith_short_8: YSBWW7PW

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/YSBWW7PWZEDA2Z3XS6DQ35FUBZ \
  | 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: c4836b7df6c9060d677797870df4b40e661fb4506898c3565913ebd02c1f48a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eb3edfe0476ac304a6a6a4f114d6d4bd3e1fc274162639bb97beac29e56880c",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-12-03T20:52:31Z",
    "title_canon_sha256": "7e636a2ee17f575e8767487362c60b5bf33218e74fbef17d8721713ab9bd4b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0689",
    "kind": "arxiv",
    "version": 1
  }
}