Pith Number

pith:C3ACOJV6

pith:2019:C3ACOJV6USMY5MJMNJYB5GXI7I

not attested not anchored not stored refs pending

Neural-Network Guided Expression Transformation

Romain Edelmann, Viktor Kun\v{c}ak

arxiv:1902.02194 v1 · 2019-02-06 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3ACOJV6USMY5MJMNJYB5GXI7I}

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	2026-05-17T23:54:37.646693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c02726bea4998eb12c6a701e9ae8fa2bc0bc9c5f1c36cf7ac3e1c1ca514ea1

Aliases

arxiv: 1902.02194 · arxiv_version: 1902.02194v1 · doi: 10.48550/arxiv.1902.02194 · pith_short_12: C3ACOJV6USMY · pith_short_16: C3ACOJV6USMY5MJM · pith_short_8: C3ACOJV6

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/C3ACOJV6USMY5MJMNJYB5GXI7I \
  | 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: 16c02726bea4998eb12c6a701e9ae8fa2bc0bc9c5f1c36cf7ac3e1c1ca514ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b443ade6effe5eac1180bad7add4d645271db0de832e9e7e100deeba14fcc56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-02-06T14:17:47Z",
    "title_canon_sha256": "aa8def0e4d91d9649c37408a883d7510b1b38e7035ca322f90f3d05ae6325ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02194",
    "kind": "arxiv",
    "version": 1
  }
}