Pith Number

pith:RGVMRDKY

pith:2012:RGVMRDKYFOYIEBGVC6Q5ZW7GBW

not attested not anchored not stored refs pending

Parameter Estimation from Censored Samples using the Expectation-Maximization Algorithm

Chanseok Park, Seong Beom Lee

arxiv:1203.3880 v1 · 2012-03-17 · stat.CO · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGVMRDKYFOYIEBGVC6Q5ZW7GBW}

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	2026-05-18T03:59:48.733884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89aac88d582bb08204d517a1dcdbe60da2df2090745ea1d4d37580927268ada8

Aliases

arxiv: 1203.3880 · arxiv_version: 1203.3880v1 · doi: 10.48550/arxiv.1203.3880 · pith_short_12: RGVMRDKYFOYI · pith_short_16: RGVMRDKYFOYIEBGV · pith_short_8: RGVMRDKY

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/RGVMRDKYFOYIEBGVC6Q5ZW7GBW \
  | 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: 89aac88d582bb08204d517a1dcdbe60da2df2090745ea1d4d37580927268ada8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17bd34ac473d27403eec0a1f200f965178de975a195f5da9f975e46ec4bddd6",
    "cross_cats_sorted": [
      "stat.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2012-03-17T18:06:25Z",
    "title_canon_sha256": "76056d241905f59c490dfb19a04848ca651b9be17a5ba4503cda667b319644b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3880",
    "kind": "arxiv",
    "version": 1
  }
}