Pith Number

pith:76JIST7Y

pith:2014:76JIST7Y4T4JERXA25PHSDPQDW

not attested not anchored not stored refs pending

A Straightforward Preprocessing Approach for Accelerating Convex Hull Computations on the GPU

Gang Mei

arxiv:1405.3454 v2 · 2014-05-14 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76JIST7Y4T4JERXA25PHSDPQDW}

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	2026-05-18T02:50:51.420389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff92894ff8e4f89246e0d75e790df01d951a89e9369484b2e931314f25adccb8

Aliases

arxiv: 1405.3454 · arxiv_version: 1405.3454v2 · doi: 10.48550/arxiv.1405.3454 · pith_short_12: 76JIST7Y4T4J · pith_short_16: 76JIST7Y4T4JERXA · pith_short_8: 76JIST7Y

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/76JIST7Y4T4JERXA25PHSDPQDW \
  | 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: ff92894ff8e4f89246e0d75e790df01d951a89e9369484b2e931314f25adccb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a82aff8d076fb83c72c07874c307090dac152d7059c4cbf93bcb5b9e3b2e218",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-05-14T11:16:36Z",
    "title_canon_sha256": "f20e97890a6afb80f34632b8d7a3ddb974f7d6e3b105d39183ac7b04ad1130bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3454",
    "kind": "arxiv",
    "version": 2
  }
}