Pith Number

pith:WOPUHLET

pith:2013:WOPUHLETYMMKXGL4G363KAINJI

not attested not anchored not stored refs pending

Dynamic Trees: A Structured Variational Method Giving Efficient Propagation Rules

Amos J. Storkey

arxiv:1301.3895 v1 · 2013-01-16 · cs.LG · cs.AI · 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{WOPUHLETYMMKXGL4G363KAINJI}

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	2026-05-18T03:36:14.961512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39f43ac93c318ab997c36fdb5010d4a18d5e872ac936885954f74a526bfbdba

Aliases

arxiv: 1301.3895 · arxiv_version: 1301.3895v1 · doi: 10.48550/arxiv.1301.3895 · pith_short_12: WOPUHLETYMMK · pith_short_16: WOPUHLETYMMKXGL4 · pith_short_8: WOPUHLET

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/WOPUHLETYMMKXGL4G363KAINJI \
  | 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: b39f43ac93c318ab997c36fdb5010d4a18d5e872ac936885954f74a526bfbdba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e318f7ff706a38248ce02f6e496fe1a26fa2076fc5cecbdfaacafa835cea8873",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-01-16T15:52:49Z",
    "title_canon_sha256": "ef59e88677191dde54cd16038dac6b0ba07158858f8164f73d32f69cc0d0adf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3895",
    "kind": "arxiv",
    "version": 1
  }
}