Pith Number

pith:HFAHX2NE

pith:2014:HFAHX2NETU2BR34WB6E2ZED2Q7

not attested not anchored not stored refs pending

Optimization Algorithms for Faster Computational Geometry

Yang Yuan, Zeyuan Allen-Zhu, Zhenyu Liao

arxiv:1412.1001 v3 · 2014-12-02 · cs.CG · cs.DS · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFAHX2NETU2BR34WB6E2ZED2Q7}

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	2026-05-18T01:15:32.698488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39407be9a49d3418ef960f89ac907a87cf547b0cbabc804845e9f16cf4025d5b

Aliases

arxiv: 1412.1001 · arxiv_version: 1412.1001v3 · doi: 10.48550/arxiv.1412.1001 · pith_short_12: HFAHX2NETU2B · pith_short_16: HFAHX2NETU2BR34W · pith_short_8: HFAHX2NE

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/HFAHX2NETU2BR34WB6E2ZED2Q7 \
  | 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: 39407be9a49d3418ef960f89ac907a87cf547b0cbabc804845e9f16cf4025d5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29379c4dffc8929147e337ec137b0ea3c2683d5394a536a7d0da1bd92d599c28",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-12-02T18:15:46Z",
    "title_canon_sha256": "9a3cbfd5d5a3deda2df5f17d331f96a2d15017cd2d4c448f851a955ce78d579b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1001",
    "kind": "arxiv",
    "version": 3
  }
}