Pith Number

pith:FTH5IBJM

pith:2024:FTH5IBJM4WDJHA4OIPBD7DBTLW

not attested not anchored not stored refs pending

Cryptographic Hardness of Score Estimation

Min Jae Song

arxiv:2404.03272 v1 · 2024-04-04 · cs.LG · cs.CC · cs.CR · math.ST · stat.ML · 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{FTH5IBJM4WDJHA4OIPBD7DBTLW}

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	2026-07-05T08:04:23.539736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ccfd4052ce58693838e43c23f8c335d9e321eab51733b819352eb274537611c

Aliases

arxiv: 2404.03272 · arxiv_version: 2404.03272v1 · doi: 10.48550/arxiv.2404.03272 · pith_short_12: FTH5IBJM4WDJ · pith_short_16: FTH5IBJM4WDJHA4O · pith_short_8: FTH5IBJM

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/FTH5IBJM4WDJHA4OIPBD7DBTLW \
  | 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: 2ccfd4052ce58693838e43c23f8c335d9e321eab51733b819352eb274537611c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31960408915c53f214e78206162c9803bb9a50fcfd1137160364e19cc87b55d",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-04-04T07:49:09Z",
    "title_canon_sha256": "a423e634180759bd1705cd55cc8013c4254839248cef1d6bd67b148dc7a20be8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.03272",
    "kind": "arxiv",
    "version": 1
  }
}