pith. sign in
Pith Number

pith:ZAHDTYGD

pith:2012:ZAHDTYGDLPNZEM3AISOPRNT6L7
not attested not anchored not stored refs pending

Geometric Pricing: How Low Dimensionality Helps in Approximability

Danupon Nanongkai, He Sun, Khaled Elbassioni, Parinya Chalermsook

arxiv:1202.2840 v2 · 2012-02-13 · cs.GT · cs.CG · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZAHDTYGDLPNZEM3AISOPRNT6L7}

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 2026-05-18T03:50:12.174080Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c80e39e0c35bdb923360449cf8b67e5fd1de81badf6008885aabf13573f90ef5

Aliases

arxiv: 1202.2840 · arxiv_version: 1202.2840v2 · doi: 10.48550/arxiv.1202.2840 · pith_short_12: ZAHDTYGDLPNZ · pith_short_16: ZAHDTYGDLPNZEM3A · pith_short_8: ZAHDTYGD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZAHDTYGDLPNZEM3AISOPRNT6L7 \
  | 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: c80e39e0c35bdb923360449cf8b67e5fd1de81badf6008885aabf13573f90ef5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8eb8e7ea0f0519d38302a220f041cb33624468f1ae5e4b8d02a137b54e134041",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2012-02-13T20:36:33Z",
    "title_canon_sha256": "c201fb75e5f4b68934094f5dfad3ffce6171fcc0d5209fc7c8bf217a4fe0a774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2840",
    "kind": "arxiv",
    "version": 2
  }
}