Pith Number

pith:4J37WRRF

pith:2018:4J37WRRFJXQTMKMRA7IWNDDAJ4

not attested not anchored not stored refs pending

Estimation of Markov Chain via Rank-Constrained Likelihood

Anru Zhang, Mengdi Wang, Xudong Li

arxiv:1804.00795 v2 · 2018-04-03 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4J37WRRFJXQTMKMRA7IWNDDAJ4}

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	2026-05-18T00:10:21.909522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e277fb46254de136299107d1668c604f0d4ffde1801d6516587db1d11e7459a2

Aliases

arxiv: 1804.00795 · arxiv_version: 1804.00795v2 · doi: 10.48550/arxiv.1804.00795 · pith_short_12: 4J37WRRFJXQT · pith_short_16: 4J37WRRFJXQTMKMR · pith_short_8: 4J37WRRF

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/4J37WRRFJXQTMKMRA7IWNDDAJ4 \
  | 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: e277fb46254de136299107d1668c604f0d4ffde1801d6516587db1d11e7459a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f3bf100ed08072e4252149ac83e6301e834c302de1eb6e0d473e95db8d2a3d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-04-03T02:28:47Z",
    "title_canon_sha256": "3a9c8de0fcf7148e74458e681376155877912097f96e941407b957077e4626ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00795",
    "kind": "arxiv",
    "version": 2
  }
}