Pith Number

pith:IOVDC74C

pith:2019:IOVDC74C2I7ZMU35CLDKZNDBTL

not attested not anchored not stored refs pending

Coercing Machine Learning to Output Physically Accurate Results

Dan Johnson, Ronald Fedkiw, Zhenglin Geng

arxiv:1910.09671 v2 · 2019-10-21 · physics.comp-ph · 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{IOVDC74C2I7ZMU35CLDKZNDBTL}

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	2026-07-05T00:48:47.244498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43aa317f82d23f96537d12c6acb4619acc7a5a59967adf6fc6cb8e23c15e4a6a

Aliases

arxiv: 1910.09671 · arxiv_version: 1910.09671v2 · doi: 10.48550/arxiv.1910.09671 · pith_short_12: IOVDC74C2I7Z · pith_short_16: IOVDC74C2I7ZMU35 · pith_short_8: IOVDC74C

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/IOVDC74C2I7ZMU35CLDKZNDBTL \
  | 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: 43aa317f82d23f96537d12c6acb4619acc7a5a59967adf6fc6cb8e23c15e4a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e70855022f74a9c9dce937ca4474ee80e2dc59cc637476138a8e40a5640623",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-10-21T21:58:26Z",
    "title_canon_sha256": "80796c25773a4702e175cbe1f13410a14a0c21440a46bec4840b0ea55bace3a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09671",
    "kind": "arxiv",
    "version": 2
  }
}