Pith Number

pith:I4KQLUGI

pith:2020:I4KQLUGIILGXCMIHNCFKHZSLVJ

not attested not anchored not stored refs pending

Reconstructing decision trees

Guy Blanc, Jane Lange, Li-Yang Tan

arxiv:2012.08735 v2 · 2020-12-16 · cs.DS · cs.CC · 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{I4KQLUGIILGXCMIHNCFKHZSLVJ}

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	2026-07-05T04:25:08.645732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

471505d0c842cd713107688aa3e64baa4175ddfa13b6f10e0a014ccceb1c780a

Aliases

arxiv: 2012.08735 · arxiv_version: 2012.08735v2 · doi: 10.48550/arxiv.2012.08735 · pith_short_12: I4KQLUGIILGX · pith_short_16: I4KQLUGIILGXCMIH · pith_short_8: I4KQLUGI

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/I4KQLUGIILGXCMIHNCFKHZSLVJ \
  | 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: 471505d0c842cd713107688aa3e64baa4175ddfa13b6f10e0a014ccceb1c780a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9a9760b7e6e010da0fc7cf957eb8281ce722deee176f4c61ec568589691e66",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-12-16T04:18:00Z",
    "title_canon_sha256": "109bbce0d7f818d7c0c7dc93c200f6bcc9c48fad3570ff8ec8d34f7cfae90d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08735",
    "kind": "arxiv",
    "version": 2
  }
}