Pith Number

pith:L5EYNDXN

pith:2019:L5EYNDXNANZUG2BPPOKFFNXKY3

not attested not anchored not stored refs pending

Technical efficiency and inefficiency: SFA misspecification

A. Peresetsky, A. Zaytsev, S. Kumbhakar, Y. Shchetynin

arxiv:1902.02824 v4 · 2019-02-07 · 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{L5EYNDXNANZUG2BPPOKFFNXKY3}

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	2026-07-05T00:39:10.212259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f49868eed037343682f7b9452b6eac6c96b5b6dcff647f54d89dcdc6369629d

Aliases

arxiv: 1902.02824 · arxiv_version: 1902.02824v4 · doi: 10.48550/arxiv.1902.02824 · pith_short_12: L5EYNDXNANZU · pith_short_16: L5EYNDXNANZUG2BP · pith_short_8: L5EYNDXN

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/L5EYNDXNANZUG2BPPOKFFNXKY3 \
  | 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: 5f49868eed037343682f7b9452b6eac6c96b5b6dcff647f54d89dcdc6369629d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8804d35259fd8eb6dc7ca1e1efcad6def7d151b7a97c35a44a4d25e9010625a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-07T20:05:42Z",
    "title_canon_sha256": "583f65af635569758a17001d03f264dd9d50a33101bb7e4000f561200816872b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02824",
    "kind": "arxiv",
    "version": 4
  }
}