Pith Number

pith:IZAFA62Q

pith:2013:IZAFA62QO32DDX3PB7DHZU6EUC

not attested not anchored not stored refs pending

On the Fundamental Limits of Recovering Tree Sparse Vectors from Noisy Linear Measurements

Akshay Soni, Jarvis Haupt

arxiv:1306.4391 v2 · 2013-06-18 · cs.IT · math.IT · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZAFA62QO32DDX3PB7DHZU6EUC}

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	2026-05-18T03:10:23.991782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4640507b5076f431df6f0fc67cd3c4a080cb4dd6b3cb332895df1915d3938ba5

Aliases

arxiv: 1306.4391 · arxiv_version: 1306.4391v2 · doi: 10.48550/arxiv.1306.4391 · pith_short_12: IZAFA62QO32D · pith_short_16: IZAFA62QO32DDX3P · pith_short_8: IZAFA62Q

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/IZAFA62QO32DDX3PB7DHZU6EUC \
  | 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: 4640507b5076f431df6f0fc67cd3c4a080cb4dd6b3cb332895df1915d3938ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c6a38affb43fe4dbdd285938eafdfdbb006ae18ca4ddc956c9c146485bb0b6a",
    "cross_cats_sorted": [
      "math.IT",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-18T23:27:17Z",
    "title_canon_sha256": "8630c7a64e43a560f3b8d512af7b6ad7ce4af69dfbfe9527fabea5fd56a5c5e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4391",
    "kind": "arxiv",
    "version": 2
  }
}