Pith Number

pith:MZL42EQ2

pith:2022:MZL42EQ23WIIZBKFR2ORYNF2UX

not attested not anchored not stored refs pending

Symmetrized Robust Procrustes: Constant-Factor Approximation and Exact Recovery

Nadav Dym, Shahar Kovalsky, Tal Amir

arxiv:2207.08592 v1 · 2022-07-18 · cs.LG · cs.CG · cs.CV · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZL42EQ23WIIZBKFR2ORYNF2UX}

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	2026-07-05T04:41:06.303830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6657cd121add908c85458e9d1c34baa5e4448e610e38dcb227ec537099e5d6a9

Aliases

arxiv: 2207.08592 · arxiv_version: 2207.08592v1 · doi: 10.48550/arxiv.2207.08592 · pith_short_12: MZL42EQ23WII · pith_short_16: MZL42EQ23WIIZBKF · pith_short_8: MZL42EQ2

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/MZL42EQ23WIIZBKFR2ORYNF2UX \
  | 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: 6657cd121add908c85458e9d1c34baa5e4448e610e38dcb227ec537099e5d6a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa7ebc568f071df1517c4656826c9d7946500f8ec7015cd83500bd66182a6b4",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-07-18T13:32:20Z",
    "title_canon_sha256": "bf20cc19a5fcc69ab410ba1396708728333b0ae21337bb6df4c669aa7df50ebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.08592",
    "kind": "arxiv",
    "version": 1
  }
}