Pith Number

pith:3NJSOPRP

pith:2019:3NJSOPRPKEYEVL3TP6QPPTFNED

not attested not anchored not stored refs pending

Vector Gaussian CEO Problem Under Logarithmic Loss

Abdellatif Zaidi, Inaki Estella Aguerri, Yigit Ugur

arxiv:1902.09537 v1 · 2019-02-25 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NJSOPRPKEYEVL3TP6QPPTFNED}

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	2026-05-17T23:52:45.248695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db53273e2f51304aaf737fa0f7ccad20fdb521f835567560b69d3099bf4fbfb3

Aliases

arxiv: 1902.09537 · arxiv_version: 1902.09537v1 · doi: 10.48550/arxiv.1902.09537 · pith_short_12: 3NJSOPRPKEYE · pith_short_16: 3NJSOPRPKEYEVL3T · pith_short_8: 3NJSOPRP

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/3NJSOPRPKEYEVL3TP6QPPTFNED \
  | 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: db53273e2f51304aaf737fa0f7ccad20fdb521f835567560b69d3099bf4fbfb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "effa617f0c93ea293a3bea8895f91b2f2863d1b194a06f36e0450c14c1e40da5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-25T10:00:19Z",
    "title_canon_sha256": "748743e1966bf833976644fc4d1abf39f9656d229604dac88809ac81cda34366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09537",
    "kind": "arxiv",
    "version": 1
  }
}