Pith Number

pith:4WRPVU3U

pith:2019:4WRPVU3UZHQ6PYJ7XW5WUNTWW4

not attested not anchored not stored refs pending

Contributed Discussion of "A Bayesian Conjugate Gradient Method"

Francisco A. Diaz De la O, Francois-Xavier Briol, Peter O. Hristov

arxiv:1908.02964 v1 · 2019-08-08 · stat.CO · cs.NA · math.NA · 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{4WRPVU3UZHQ6PYJ7XW5WUNTWW4}

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	2026-07-04T23:52:25.308661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a2fad374c9e1e7e13fbdbb6a3676b739826364fdbb8566546dec5b1b0115f3

Aliases

arxiv: 1908.02964 · arxiv_version: 1908.02964v1 · doi: 10.48550/arxiv.1908.02964 · pith_short_12: 4WRPVU3UZHQ6 · pith_short_16: 4WRPVU3UZHQ6PYJ7 · pith_short_8: 4WRPVU3U

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/4WRPVU3UZHQ6PYJ7XW5WUNTWW4 \
  | 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: e5a2fad374c9e1e7e13fbdbb6a3676b739826364fdbb8566546dec5b1b0115f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bded3f25d0fdad1e5ad164b5b8ce48e16f8b8bc207703d44f8a9b2b968c8bfa3",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-08-08T08:13:13Z",
    "title_canon_sha256": "00176a4930f16cdf78b5ea48d1f751d4828f4cedba9128a0f3ccfffa02a5082f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02964",
    "kind": "arxiv",
    "version": 1
  }
}