Pith Number

pith:RHF7SWL3

pith:2018:RHF7SWL3SOMRMCJ5WXQPB6JWDD

not attested not anchored not stored refs pending

Streaming Algorithms for Planar Convex Hulls

Martin Farach-Colton, Meng Li, Meng-Tsung Tsai

arxiv:1810.00455 v1 · 2018-09-30 · 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{RHF7SWL3SOMRMCJ5WXQPB6JWDD}

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	2026-05-18T00:04:27.827212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89cbf9597b939916093db5e0f0f93618f3e546ed0e796e7047c6fd56dbf58448

Aliases

arxiv: 1810.00455 · arxiv_version: 1810.00455v1 · doi: 10.48550/arxiv.1810.00455 · pith_short_12: RHF7SWL3SOMR · pith_short_16: RHF7SWL3SOMRMCJ5 · pith_short_8: RHF7SWL3

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/RHF7SWL3SOMRMCJ5WXQPB6JWDD \
  | 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: 89cbf9597b939916093db5e0f0f93618f3e546ed0e796e7047c6fd56dbf58448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de32ba02e9910c06f718662867dd634898289b6fff5bf18c105a95cb99c4050c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-09-30T19:36:23Z",
    "title_canon_sha256": "9ca8c9543b7d6972a8b2b8df23a56adf3288f8213864c032d33fb672e1bb23a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00455",
    "kind": "arxiv",
    "version": 1
  }
}