Pith Number

pith:HHICF45U

pith:2019:HHICF45UUR2CJD2A3QPF2HOVR4

not attested not anchored not stored refs pending

Just Add Functions: A Neural-Symbolic Language Model

David Demeter, Doug Downey

arxiv:1912.05421 v1 · 2019-12-11 · 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{HHICF45UUR2CJD2A3QPF2HOVR4}

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	2026-07-05T00:25:35.633393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d022f3b4a474248f40dc1e5d1dd58f0adccf48449a9ed976097d026e9de037

Aliases

arxiv: 1912.05421 · arxiv_version: 1912.05421v1 · doi: 10.48550/arxiv.1912.05421 · pith_short_12: HHICF45UUR2C · pith_short_16: HHICF45UUR2CJD2A · pith_short_8: HHICF45U

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/HHICF45UUR2CJD2A3QPF2HOVR4 \
  | 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: 39d022f3b4a474248f40dc1e5d1dd58f0adccf48449a9ed976097d026e9de037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15cbd80bfb02f2d6b268f5d207496d7c4f8a57563ebef2fcdb81c554f6c8a075",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-11T16:27:07Z",
    "title_canon_sha256": "a97b471ba5814d396b6203e80479309b47132ca31faeedb1559d0462986855ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05421",
    "kind": "arxiv",
    "version": 1
  }
}