Pith Number

pith:BMQ2ADGS

pith:2014:BMQ2ADGS5GHWUW2LFIDUJSVQMS

not attested not anchored not stored refs pending

Area and Perimeter of the Convex Hull of Stochastic Points

Pablo P\'erez-Lantero

arxiv:1412.5153 v3 · 2014-12-16 · 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{BMQ2ADGS5GHWUW2LFIDUJSVQMS}

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	2026-05-18T01:33:33.900295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b21a00cd2e98f6a5b4b2a0744cab064994b966913525bf7eaddbe7706040d20

Aliases

arxiv: 1412.5153 · arxiv_version: 1412.5153v3 · doi: 10.48550/arxiv.1412.5153 · pith_short_12: BMQ2ADGS5GHW · pith_short_16: BMQ2ADGS5GHWUW2L · pith_short_8: BMQ2ADGS

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/BMQ2ADGS5GHWUW2LFIDUJSVQMS \
  | 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: 0b21a00cd2e98f6a5b4b2a0744cab064994b966913525bf7eaddbe7706040d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21eb7f3285b7ccc550657a358f1976e1f585a9db78bb4757a9d3d9aca655a0fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-12-16T20:25:55Z",
    "title_canon_sha256": "5ad88d7e813fceb3f87b0e6130d156f1456dc68262e3834f5535dc2cfd9f90db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5153",
    "kind": "arxiv",
    "version": 3
  }
}