Pith Number

pith:IWDLFBHA

pith:2018:IWDLFBHAQSPJKJJ5WKAVW7LQ5D

not attested not anchored not stored refs pending

Estimation of convex supports from noisy measurements

Dana Yang, Jason M. Klusowski, Victor-Emmanuel Brunel

arxiv:1804.09879 v1 · 2018-04-26 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWDLFBHAQSPJKJJ5WKAVW7LQ5D}

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	2026-05-18T00:17:27.623543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4586b284e0849e95253db2815b7d70e8d24b26cc84ad4ac6d42a50472c16643d

Aliases

arxiv: 1804.09879 · arxiv_version: 1804.09879v1 · doi: 10.48550/arxiv.1804.09879 · pith_short_12: IWDLFBHAQSPJ · pith_short_16: IWDLFBHAQSPJKJJ5 · pith_short_8: IWDLFBHA

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/IWDLFBHAQSPJKJJ5WKAVW7LQ5D \
  | 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: 4586b284e0849e95253db2815b7d70e8d24b26cc84ad4ac6d42a50472c16643d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e02515c31f27422a5fa1d0644bc8c7c4719f50e3d45a5b6103df3f0b70e6d3fc",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-04-26T03:46:11Z",
    "title_canon_sha256": "8d1cde1f89e4275c47caf524eb5949b58563fccd1d26e238c5538381d071ab57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09879",
    "kind": "arxiv",
    "version": 1
  }
}