Pith Number

pith:3OB7UFP3

pith:2018:3OB7UFP36G4JND3C3JDV3TOUI4

not attested not anchored not stored refs pending

Approximation Trees: Statistical Stability in Model Distillation

Giles Hooker, Yichen Zhou, Zhengze Zhou

arxiv:1808.07573 v1 · 2018-08-22 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OB7UFP36G4JND3C3JDV3TOUI4}

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	2026-05-18T00:07:26.890665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db83fa15fbf1b8968f62da475dcdd44705087d16c5a1229c53612265c23586ca

Aliases

arxiv: 1808.07573 · arxiv_version: 1808.07573v1 · doi: 10.48550/arxiv.1808.07573 · pith_short_12: 3OB7UFP36G4J · pith_short_16: 3OB7UFP36G4JND3C · pith_short_8: 3OB7UFP3

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/3OB7UFP36G4JND3C3JDV3TOUI4 \
  | 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: db83fa15fbf1b8968f62da475dcdd44705087d16c5a1229c53612265c23586ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4855bd6b655d329d4098952bd96651bcbe96abeb7259ef1f20526e27fa701a6f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-08-22T21:50:56Z",
    "title_canon_sha256": "2e4329ddf2eca2efdbe967c4a314a293cf0be34e57dfc7fc80f9e9398ab24b97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07573",
    "kind": "arxiv",
    "version": 1
  }
}