Pith Number

pith:4MHLBOGR

pith:2019:4MHLBOGRJBQUC6XLLJL6NOFQKQ

not attested not anchored not stored refs pending

No Representation without Transformation

Christian Osendorfer, Giorgio Giannone, Jonathan Masci, Saeed Saremi

arxiv:1912.03845 v2 · 2019-12-09 · cs.LG · 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{4MHLBOGRJBQUC6XLLJL6NOFQKQ}

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	2026-07-05T00:57:44.277696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30eb0b8d14861417aeb5a57e6b8b05413f864043d9cfd9653caac862d898fe5

Aliases

arxiv: 1912.03845 · arxiv_version: 1912.03845v2 · doi: 10.48550/arxiv.1912.03845 · pith_short_12: 4MHLBOGRJBQU · pith_short_16: 4MHLBOGRJBQUC6XL · pith_short_8: 4MHLBOGR

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/4MHLBOGRJBQUC6XLLJL6NOFQKQ \
  | 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: e30eb0b8d14861417aeb5a57e6b8b05413f864043d9cfd9653caac862d898fe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5f60256bd9a6f5f5f35c5d5618d3d1fc5125f40b2afe13f737475ad54545ccc",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-09T04:46:06Z",
    "title_canon_sha256": "c51ce4c1dc04a384f1acef952067c65988c621ba2300ce4df2c0e315b152ad53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03845",
    "kind": "arxiv",
    "version": 2
  }
}