Pith Number

pith:52ZNIL2Y

pith:2021:52ZNIL2YVPE2H5PAQRFXNF3OPT

not attested not anchored not stored refs pending

Lossy Compression for Lossless Prediction

Benjamin Bloem-Reddy, Chris J. Maddison, Karen Ullrich, Yann Dubois

arxiv:2106.10800 v5 · 2021-06-21 · cs.LG · cs.IT · math.IT · 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{52ZNIL2YVPE2H5PAQRFXNF3OPT}

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	2026-07-05T03:52:13.382635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeb2d42f58abc9a3f5e0844b76976e7ceffd6685b5c0625556a49e7c526fedb8

Aliases

arxiv: 2106.10800 · arxiv_version: 2106.10800v5 · doi: 10.48550/arxiv.2106.10800 · pith_short_12: 52ZNIL2YVPE2 · pith_short_16: 52ZNIL2YVPE2H5PA · pith_short_8: 52ZNIL2Y

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/52ZNIL2YVPE2H5PAQRFXNF3OPT \
  | 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: eeb2d42f58abc9a3f5e0844b76976e7ceffd6685b5c0625556a49e7c526fedb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a697ed3744b7da21a153d9ddf95a13dfb0cdd08f985cbf35267cfd902f7b9c01",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-21T01:31:44Z",
    "title_canon_sha256": "c90481df9881befc5ca49dd12494e4cc6e67a64c30be543392dff14c46fb4d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10800",
    "kind": "arxiv",
    "version": 5
  }
}