Pith Number

pith:IKG4W2RO

pith:2026:IKG4W2ROWG2TGA6QFDJJ5TDXPO

not attested not anchored not stored refs pending

Optimal Reconstruction from Linear Queries

Elizaveta Nesterova, Shay Moran, Yuval Filmus

arxiv:2605.19625 v1 · 2026-05-19 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKG4W2ROWG2TGA6QFDJJ5TDXPO}

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	2026-05-20T01:05:54.771397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428dcb6a2eb1b53303d028d29ecc777ba69e4afe161342d0093b3442764d4baf

Aliases

arxiv: 2605.19625 · arxiv_version: 2605.19625v1 · doi: 10.48550/arxiv.2605.19625 · pith_short_12: IKG4W2ROWG2T · pith_short_16: IKG4W2ROWG2TGA6Q · pith_short_8: IKG4W2RO

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/IKG4W2ROWG2TGA6QFDJJ5TDXPO \
  | 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: 428dcb6a2eb1b53303d028d29ecc777ba69e4afe161342d0093b3442764d4baf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "660d29f9a18a610e58fcd02aefdbd57682b2de75cc741a8cd497aff8ab5f1e45",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-19T10:04:37Z",
    "title_canon_sha256": "af51f91431518aa1a0f91dd1a5fcd0844168491c6eb533845ce0ccdef3fbb226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19625",
    "kind": "arxiv",
    "version": 1
  }
}