Pith Number

pith:MBH4OQD6

pith:2013:MBH4OQD6O2CUA5CTJ7YPRGP7GE

not attested not anchored not stored refs pending

An Algorithmic Theory of Dependent Regularizers, Part 1: Submodular Structure

Hoyt Koepke, Marina Meila

arxiv:1312.1970 v1 · 2013-12-06 · 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{MBH4OQD6O2CUA5CTJ7YPRGP7GE}

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	2026-05-18T03:05:19.325454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

604fc7407e76854074534ff0f899ff313e7df7033be4ce0874488a4e89c215f3

Aliases

arxiv: 1312.1970 · arxiv_version: 1312.1970v1 · doi: 10.48550/arxiv.1312.1970 · pith_short_12: MBH4OQD6O2CU · pith_short_16: MBH4OQD6O2CUA5CT · pith_short_8: MBH4OQD6

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/MBH4OQD6O2CUA5CTJ7YPRGP7GE \
  | 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: 604fc7407e76854074534ff0f899ff313e7df7033be4ce0874488a4e89c215f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca4716c78c6cbf4d3612a181e518dc7444cb20af3628a8d5b420630a8ba985c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-12-06T19:25:16Z",
    "title_canon_sha256": "183dd8c8b7a1d4a47d90085b7ecb464517937a46030372bdbd7334581300ff9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1970",
    "kind": "arxiv",
    "version": 1
  }
}