Pith Number

pith:NDNB5EWL

pith:2018:NDNB5EWLCEEZ2JGTJE532XGDB2

not attested not anchored not stored refs pending

Optimal Subspace Estimation Using Overidentifying Vectors via Generalized Method of Moments

Jianqing Fan, Yiqiao Zhong

arxiv:1805.02826 v1 · 2018-05-08 · stat.ME · 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{NDNB5EWLCEEZ2JGTJE532XGDB2}

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	2026-05-18T00:16:35.555979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68da1e92cb11099d24d3493bbd5cc30e94598bfc20b64c8d50f71d53bfce7f26

Aliases

arxiv: 1805.02826 · arxiv_version: 1805.02826v1 · doi: 10.48550/arxiv.1805.02826 · pith_short_12: NDNB5EWLCEEZ · pith_short_16: NDNB5EWLCEEZ2JGT · pith_short_8: NDNB5EWL

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/NDNB5EWLCEEZ2JGTJE532XGDB2 \
  | 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: 68da1e92cb11099d24d3493bbd5cc30e94598bfc20b64c8d50f71d53bfce7f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf84ca81d8af1af1ddc9cc6a8f1e1b9bdedbf4efc0cb194c6b4c67aa61b6afa",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-05-08T04:14:25Z",
    "title_canon_sha256": "113bba4a9ba907a4dbb725eb4e9045dc32343a49aa6c9a2c16d53d7fd1abd234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02826",
    "kind": "arxiv",
    "version": 1
  }
}