Pith Number

pith:27DN4SZY

pith:2014:27DN4SZYUTGQJQMB3OWGXRLEQU

not attested not anchored not stored refs pending

Fast tree inference with weighted fusion penalties

Guillem Rigaill, Julien Chiquet, Pierre Gutierrez

arxiv:1407.5915 v2 · 2014-07-22 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27DN4SZYUTGQJQMB3OWGXRLEQU}

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	2026-05-18T02:00:58.951883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c6de4b38a4cd04c181dbac6bc564851a9bd820dedb1be238dbd47822aeabb6

Aliases

arxiv: 1407.5915 · arxiv_version: 1407.5915v2 · doi: 10.48550/arxiv.1407.5915 · pith_short_12: 27DN4SZYUTGQ · pith_short_16: 27DN4SZYUTGQJQMB · pith_short_8: 27DN4SZY

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/27DN4SZYUTGQJQMB3OWGXRLEQU \
  | 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: d7c6de4b38a4cd04c181dbac6bc564851a9bd820dedb1be238dbd47822aeabb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca94d3f63bdb31da3be2d82b5ab2b44335191e1adb22e40802a06099edfac7e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2014-07-22T15:57:04Z",
    "title_canon_sha256": "78ba6004d4a973432ff9a22973258c48c48e172aae32ac8d072f5536958967ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5915",
    "kind": "arxiv",
    "version": 2
  }
}