Pith Number

pith:TW25NIFQ

pith:2021:TW25NIFQV3XUBRPR4HHRVM3IDG

not attested not anchored not stored refs pending

A Variational Inference Approach to Inverse Problems with Gamma Hyperpriors

Alexander Strang, Daniel Sanz-Alonso, Hwanwoo Kim, Shiv Agrawal

arxiv:2111.13329 v2 · 2021-11-26 · stat.ME · stat.CO · 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{TW25NIFQV3XUBRPR4HHRVM3IDG}

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	2026-07-05T03:35:34.643765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db5d6a0b0aeef40c5f1e1cf1ab36819a176a772db722f6a8f3509675faeb5f8

Aliases

arxiv: 2111.13329 · arxiv_version: 2111.13329v2 · doi: 10.48550/arxiv.2111.13329 · pith_short_12: TW25NIFQV3XU · pith_short_16: TW25NIFQV3XUBRPR · pith_short_8: TW25NIFQ

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/TW25NIFQV3XUBRPR4HHRVM3IDG \
  | 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: 9db5d6a0b0aeef40c5f1e1cf1ab36819a176a772db722f6a8f3509675faeb5f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f784afae5855ab314d1e8e95da1ce658ce37bb71a59d26e443d71afd3b64a83",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-11-26T06:33:29Z",
    "title_canon_sha256": "c4b75a027febee3e48bf4cf19b036651aa447b01f9f61ede1ef8f2a9125b7e8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13329",
    "kind": "arxiv",
    "version": 2
  }
}