Pith Number

pith:NIZDOB4M

pith:2012:NIZDOB4ME256FXR4RJL53CIFJY

not attested not anchored not stored refs pending

Algorithms and Hardness for Robust Subspace Recovery

Ankur Moitra, Moritz Hardt

arxiv:1211.1041 v3 · 2012-11-05 · cs.CC · cs.DS · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIZDOB4ME256FXR4RJL53CIFJY}

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	2026-05-18T03:05:36.288202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3237078c26bbe2de3c8a57dd89054e18215a92b75bec82e8cb9e5a2a767911

Aliases

arxiv: 1211.1041 · arxiv_version: 1211.1041v3 · doi: 10.48550/arxiv.1211.1041 · pith_short_12: NIZDOB4ME256 · pith_short_16: NIZDOB4ME256FXR4 · pith_short_8: NIZDOB4M

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/NIZDOB4ME256FXR4RJL53CIFJY \
  | 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: 6a3237078c26bbe2de3c8a57dd89054e18215a92b75bec82e8cb9e5a2a767911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c561070416955d01456cb948ecb24bbcb3df4118f40847e41c5fddba62aab6",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-11-05T21:39:22Z",
    "title_canon_sha256": "6669b0179ae60b4f9df2dc30582365f97fcff249b04b4c827e09385a0a063b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1041",
    "kind": "arxiv",
    "version": 3
  }
}