Pith Number

pith:L2U6Y54N

pith:2013:L2U6Y54NX23ZZBBQQREASM55SW

not attested not anchored not stored refs pending

Iterative Log Thresholding

Aleksandr Aravkin, Dmitry Malioutov

arxiv:1312.1522 v1 · 2013-12-05 · stat.ML · 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{L2U6Y54NX23ZZBBQQREASM55SW}

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	2026-05-18T03:05:27.038147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea9ec778dbeb79c843084480933bd95bba7f897296e6c8c666afa94da9a4016

Aliases

arxiv: 1312.1522 · arxiv_version: 1312.1522v1 · doi: 10.48550/arxiv.1312.1522 · pith_short_12: L2U6Y54NX23Z · pith_short_16: L2U6Y54NX23ZZBBQ · pith_short_8: L2U6Y54N

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/L2U6Y54NX23ZZBBQQREASM55SW \
  | 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: 5ea9ec778dbeb79c843084480933bd95bba7f897296e6c8c666afa94da9a4016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb68154b61e86482722c556c215c1d3742a2b14bb91fc16939ffc9f77da56469",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-12-05T12:40:06Z",
    "title_canon_sha256": "24351f9187ee5205573505dc846b2bee2dc867b64e5ebb689c0cfebc9e7c6f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1522",
    "kind": "arxiv",
    "version": 1
  }
}