Pith Number

pith:7Q7NWST5

pith:2021:7Q7NWST5NQXMUDKQPXP3EKGZBW

not attested not anchored not stored refs pending

Graph Coding for Model Selection and Anomaly Detection in Gaussian Graphical Models

Anders Host-Madsen, Andras Bratincsak, June Zhang, Mojtaba Abolfazli

arxiv:2102.02431 v1 · 2021-02-04 · cs.LG · 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{7Q7NWST5NQXMUDKQPXP3EKGZBW}

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	2026-07-05T03:19:41.823875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3edb4a7d6c2eca0d507ddfb228d90db264bfad4adceb3cdb16910d06bc2dae

Aliases

arxiv: 2102.02431 · arxiv_version: 2102.02431v1 · doi: 10.48550/arxiv.2102.02431 · pith_short_12: 7Q7NWST5NQXM · pith_short_16: 7Q7NWST5NQXMUDKQ · pith_short_8: 7Q7NWST5

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/7Q7NWST5NQXMUDKQPXP3EKGZBW \
  | 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: fc3edb4a7d6c2eca0d507ddfb228d90db264bfad4adceb3cdb16910d06bc2dae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "636eb051558a5709ac5c339c50ac080958fda67adb816fd70aa145b927913360",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-04T06:13:52Z",
    "title_canon_sha256": "e14efc996659ff45605a37631442a14c53a5fba2203cb2b2379fc6837016d2ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02431",
    "kind": "arxiv",
    "version": 1
  }
}