Pith Number

pith:DS6CMHJ3

pith:2013:DS6CMHJ3T2QX3W7NLRUOTMHCF4

not attested not anchored not stored refs pending

A Polynomial Time Algorithm for Lossy Population Recovery

Ankur Moitra, Michael Saks

arxiv:1302.1515 v2 · 2013-02-06 · cs.DS · 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{DS6CMHJ3T2QX3W7NLRUOTMHCF4}

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	2026-05-18T03:18:51.451975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cbc261d3b9ea17ddbed5c68e9b0e22f158e96635c5bf235277533e566b6c18f

Aliases

arxiv: 1302.1515 · arxiv_version: 1302.1515v2 · doi: 10.48550/arxiv.1302.1515 · pith_short_12: DS6CMHJ3T2QX · pith_short_16: DS6CMHJ3T2QX3W7N · pith_short_8: DS6CMHJ3

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/DS6CMHJ3T2QX3W7NLRUOTMHCF4 \
  | 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: 1cbc261d3b9ea17ddbed5c68e9b0e22f158e96635c5bf235277533e566b6c18f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c7e7a3bbfcaeb594f0755031d6b5a0663840f43010e507eb24eb50f1050ff4a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-02-06T20:53:35Z",
    "title_canon_sha256": "db63e360a1a91215e5b89495edf71e19bb843ca5efe5235859d667abd0d67b0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1515",
    "kind": "arxiv",
    "version": 2
  }
}