Pith Number

pith:JGT7VGBP

pith:2009:JGT7VGBPTMHBRFZYPNZBRIWRAV

not attested not anchored not stored refs pending

Sparsistent Estimation of Time-Varying Discrete Markov Random Fields

Eric P. Xing, Mladen Kolar

arxiv:0907.2337 v2 · 2009-07-14 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGT7VGBPTMHBRFZYPNZBRIWRAV}

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	2026-05-18T03:29:16.690095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49a7fa982f9b0e1897387b7218a2d1055310a872e0f28e60e07f823991339ac9

Aliases

arxiv: 0907.2337 · arxiv_version: 0907.2337v2 · doi: 10.48550/arxiv.0907.2337 · pith_short_12: JGT7VGBPTMHB · pith_short_16: JGT7VGBPTMHBRFZY · pith_short_8: JGT7VGBP

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/JGT7VGBPTMHBRFZYPNZBRIWRAV \
  | 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: 49a7fa982f9b0e1897387b7218a2d1055310a872e0f28e60e07f823991339ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96a6421d3db5dc574f7aedb0bb3a1cd457967ce43214083f5ea0c775a13693f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2009-07-14T12:09:33Z",
    "title_canon_sha256": "4044491371cad2b2a5898723a41a0512fa952d890b4ba21341273a63bd700e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2337",
    "kind": "arxiv",
    "version": 2
  }
}