Pith Number

pith:FUVNP7NA

pith:2019:FUVNP7NA4IC3XHBCDP3E3AVGSH

not attested not anchored not stored refs pending

A Polynomial Time Algorithm for Log-Concave Maximum Likelihood via Locally Exponential Families

Alistair Stewart, Anastasios Sidiropoulos, Brian Axelrod, Gregory Valiant, Ilias Diakonikolas

arxiv:1907.08306 v1 · 2019-07-18 · cs.DS · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUVNP7NA4IC3XHBCDP3E3AVGSH}

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	2026-05-17T23:40:10.273048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d2ad7fda0e205bb9c221bf64d82a691c65ec932b9985dfa0ae51c0f1e7cc5d1

Aliases

arxiv: 1907.08306 · arxiv_version: 1907.08306v1 · doi: 10.48550/arxiv.1907.08306 · pith_short_12: FUVNP7NA4IC3 · pith_short_16: FUVNP7NA4IC3XHBC · pith_short_8: FUVNP7NA

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/FUVNP7NA4IC3XHBCDP3E3AVGSH \
  | 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: 2d2ad7fda0e205bb9c221bf64d82a691c65ec932b9985dfa0ae51c0f1e7cc5d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51117a68e552537cd674d920ae6c4bce4892376cee092b9d0dfcee678d36eb1f",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-18T22:04:21Z",
    "title_canon_sha256": "98ee6ea8911db42761591906a7d25a6bdf1539e1ec12c4e7b854493811768109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08306",
    "kind": "arxiv",
    "version": 1
  }
}