Pith Number

pith:Z6QJ2OHA

pith:2026:Z6QJ2OHAYZZOUKVAVBMLITY5TM

not attested not anchored not stored refs pending

Partial Differential Equation Barriers to Identifiability in Infinite Mixture Models

Alessandro Rinaldo, Dung Le, Nhat Ho, Nicola Bariletto

arxiv:2608.08597 v1 · 2026-08-09 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6QJ2OHAYZZOUKVAVBMLITY5TM}

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	2026-08-11T01:23:06.785042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfa09d38e0c672ea2aa0a858b44f1d9b18061a3964abc7f2a16c6b5e3db06bc0

Aliases

arxiv: 2608.08597 · arxiv_version: 2608.08597v1 · doi: 10.48550/arxiv.2608.08597 · pith_short_12: Z6QJ2OHAYZZO · pith_short_16: Z6QJ2OHAYZZOUKVA · pith_short_8: Z6QJ2OHA

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/Z6QJ2OHAYZZOUKVAVBMLITY5TM \
  | 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: cfa09d38e0c672ea2aa0a858b44f1d9b18061a3964abc7f2a16c6b5e3db06bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc797e57e12946ceb0d21d75443fa67a1e389acfd22c0fcc488c50782546e3a6",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-08-09T09:22:27Z",
    "title_canon_sha256": "d152f480b6342782f573057c6d9875c738c4f6c7a42ae468258881edb535f838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08597",
    "kind": "arxiv",
    "version": 1
  }
}