Pith Number

pith:IBUGTAXV

pith:2010:IBUGTAXVFCMPFTHY2GOUIY5KQI

not attested not anchored not stored refs pending

Fast Sparse Decomposition by Iterative Detection-Estimation

Arash Ali Amini, Christian Jutten, Massoud Babaie-Zadeh

arxiv:1009.3890 v1 · 2010-09-20 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBUGTAXVFCMPFTHY2GOUIY5KQI}

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	2026-05-18T04:40:43.564141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40686982f52898f2ccf8d19d4463aa822900f93bf23472390bac0bc3eac7fef5

Aliases

arxiv: 1009.3890 · arxiv_version: 1009.3890v1 · doi: 10.48550/arxiv.1009.3890 · pith_short_12: IBUGTAXVFCMP · pith_short_16: IBUGTAXVFCMPFTHY · pith_short_8: IBUGTAXV

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/IBUGTAXVFCMPFTHY2GOUIY5KQI \
  | 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: 40686982f52898f2ccf8d19d4463aa822900f93bf23472390bac0bc3eac7fef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "101e0d48131f850c47911afbba53719219ff09596f2a6995fee690e0219e43a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-09-20T17:12:37Z",
    "title_canon_sha256": "fbbb64eb41c911571dd28978f75f96f04c4274107ce877f0d0ca07eacf4d20c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3890",
    "kind": "arxiv",
    "version": 1
  }
}