Pith Number

pith:2OHVZ5EH

pith:2025:2OHVZ5EHE5UDNR3VB7UBB3ZHY5

not attested not anchored not stored refs pending

Information Subtraction: Learning Representations for Conditional Entropy

Keng Hou Leong, Wai Kin (Victor) Chan, Yuxuan Xiu

arxiv:2501.02012 v1 · 2025-01-02 · 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{2OHVZ5EHE5UDNR3VB7UBB3ZHY5}

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	2026-07-05T09:57:00.270984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38f5cf487276836c7750fe810ef27c774acfc674021b2ac8aff8ee22bead7b5

Aliases

arxiv: 2501.02012 · arxiv_version: 2501.02012v1 · doi: 10.48550/arxiv.2501.02012 · pith_short_12: 2OHVZ5EHE5UD · pith_short_16: 2OHVZ5EHE5UDNR3V · pith_short_8: 2OHVZ5EH

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/2OHVZ5EHE5UDNR3VB7UBB3ZHY5 \
  | 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: d38f5cf487276836c7750fe810ef27c774acfc674021b2ac8aff8ee22bead7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70edd9c14e736761838eb913440ee4543a47eb99c448d3f563d901c2151daaf3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-02T13:10:31Z",
    "title_canon_sha256": "2f17aff062006e47477fdca1aa3ff5f361657857285529f46be9d5700aa7dc86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02012",
    "kind": "arxiv",
    "version": 1
  }
}