Pith Number

pith:KTAW6YZB

pith:2021:KTAW6YZB2HPBDWRTTPKMDSF62R

not attested not anchored not stored refs pending

Bridging factor and sparse models

Jianqing Fan, Marcelo C. Medeiros, Ricardo Masini

arxiv:2102.11341 v4 · 2021-02-22 · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTAW6YZB2HPBDWRTTPKMDSF62R}

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	2026-07-05T04:54:13.060863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c16f6321d1de11da339bd4c1c8bed440b7584dd610ed522bb7e54189d2c936

Aliases

arxiv: 2102.11341 · arxiv_version: 2102.11341v4 · doi: 10.48550/arxiv.2102.11341 · pith_short_12: KTAW6YZB2HPB · pith_short_16: KTAW6YZB2HPBDWRT · pith_short_8: KTAW6YZB

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/KTAW6YZB2HPBDWRTTPKMDSF62R \
  | 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: 54c16f6321d1de11da339bd4c1c8bed440b7584dd610ed522bb7e54189d2c936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4553783afe3d16362194805354aaf51162ffb992d74522228f82ebd1d50cca43",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2021-02-22T20:25:38Z",
    "title_canon_sha256": "e27a64b6618644655de12bb9559ca0a1da6d6b1ac40fa59a78a2fe71d5d3925b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11341",
    "kind": "arxiv",
    "version": 4
  }
}