Pith Number

pith:MDK6Y2D7

pith:2009:MDK6Y2D7JL2N2V5P5AZUF7G3LA

not attested not anchored not stored refs pending

Inference for Extremal Conditional Quantile Models, with an Application to Market and Birthweight Risks

Ivan Fernandez-Val, Victor Chernozhukov

arxiv:0912.5013 v1 · 2009-12-26 · stat.ME · econ.EM · math.ST · q-fin.RM · 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{MDK6Y2D7JL2N2V5P5AZUF7G3LA}

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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	2026-05-18T00:26:47.651307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60d5ec687f4af4dd57afe83342fcdb5816b188707e9e6aa59365fd8aa15fe719

Aliases

arxiv: 0912.5013 · arxiv_version: 0912.5013v1 · doi: 10.48550/arxiv.0912.5013 · pith_short_12: MDK6Y2D7JL2N · pith_short_16: MDK6Y2D7JL2N2V5P · pith_short_8: MDK6Y2D7

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/MDK6Y2D7JL2N2V5P5AZUF7G3LA \
  | 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: 60d5ec687f4af4dd57afe83342fcdb5816b188707e9e6aa59365fd8aa15fe719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fee3d81da80fc9d5afa3da8fb723e59d0a98f430967959c479566caf90d2f6a",
    "cross_cats_sorted": [
      "econ.EM",
      "math.ST",
      "q-fin.RM",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-12-26T12:57:29Z",
    "title_canon_sha256": "f6add2a60781930548f13cbd556e90ac9b76c33e9be703eabd5b9b2c92ee3c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5013",
    "kind": "arxiv",
    "version": 1
  }
}