Pith Number

pith:FKMARXSA

pith:2019:FKMARXSA3LCLQF63UQC5HVAVSO

not attested not anchored not stored refs pending

Inference on Functionals under First Order Degeneracy

Qihui Chen, Zheng Fang

arxiv:1901.04861 v1 · 2019-01-15 · econ.EM · 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{FKMARXSA3LCLQF63UQC5HVAVSO}

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	2026-05-17T23:56:21.497104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9808de40dac4b817dba405d3d415938449fd16de020cf6a3707b61aee09f8f

Aliases

arxiv: 1901.04861 · arxiv_version: 1901.04861v1 · doi: 10.48550/arxiv.1901.04861 · pith_short_12: FKMARXSA3LCL · pith_short_16: FKMARXSA3LCLQF63 · pith_short_8: FKMARXSA

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/FKMARXSA3LCLQF63UQC5HVAVSO \
  | 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: 2a9808de40dac4b817dba405d3d415938449fd16de020cf6a3707b61aee09f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cd9eef425bdea09206a88a349135ae52fec1d785657a9bfdaacd6d7b08aaa93",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2019-01-15T14:40:27Z",
    "title_canon_sha256": "9c1a8cea0f7955b3b98730716e936a9ca98ea885da35204b747d16d79b34b3ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04861",
    "kind": "arxiv",
    "version": 1
  }
}