Pith Number

pith:3CQV74IU

pith:2014:3CQV74IUTGWEA6RQUMKUQ5YQG3

not attested not anchored not stored refs pending

Iterated geometric harmonics for data imputation and reconstruction of missing data

Chad Eckman, David J. Sacco, Erin P. J. Pearse, Jonathan A. Lindgren, Zachariah Zhang

arxiv:1411.0997 v1 · 2014-11-04 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CQV74IUTGWEA6RQUMKUQ5YQG3}

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	2026-05-18T02:38:37.754792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a15ff11499ac407a30a31548771036fe9bb4dd91ef22fe2beeedab22cd7458

Aliases

arxiv: 1411.0997 · arxiv_version: 1411.0997v1 · doi: 10.48550/arxiv.1411.0997 · pith_short_12: 3CQV74IUTGWE · pith_short_16: 3CQV74IUTGWEA6RQ · pith_short_8: 3CQV74IU

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/3CQV74IUTGWEA6RQUMKUQ5YQG3 \
  | 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: d8a15ff11499ac407a30a31548771036fe9bb4dd91ef22fe2beeedab22cd7458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433f147e0eef63174519b3b2a985cb3e8f6d3fe7caac549e09d21e7e3c01adaa",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-11-04T18:46:34Z",
    "title_canon_sha256": "9615fbd1ae35f41f80627ed7d771ab8d8a3c796029f72c120945ea72358c9bd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0997",
    "kind": "arxiv",
    "version": 1
  }
}