Pith Number

pith:2UIM66XU

pith:2019:2UIM66XU2XY2DC42LGIUZISFRW

not attested not anchored not stored refs pending

Better AI through Logical Scaffolding

Jonathan DeCastro, Karen Leung, Nikos Arechiga, Soonho Kong

arxiv:1909.06965 v1 · 2019-09-12 · cs.LG · cs.AI · 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{2UIM66XU2XY2DC42LGIUZISFRW}

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	2026-07-05T00:04:51.926715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d510cf7af4d5f1a18b9a59914ca2458db8a9b6765ce29d947fdc967a0b825be2

Aliases

arxiv: 1909.06965 · arxiv_version: 1909.06965v1 · doi: 10.48550/arxiv.1909.06965 · pith_short_12: 2UIM66XU2XY2 · pith_short_16: 2UIM66XU2XY2DC42 · pith_short_8: 2UIM66XU

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/2UIM66XU2XY2DC42LGIUZISFRW \
  | 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: d510cf7af4d5f1a18b9a59914ca2458db8a9b6765ce29d947fdc967a0b825be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36583ada19f68b62a2cf8a827bc6ee2dfb20d355123a98e30d3272479585a8e8",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-09-12T05:41:25Z",
    "title_canon_sha256": "381af685e3f6aa5a477a5a21bf8d134f2cb286f727683f1818ee49eb42bd2c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06965",
    "kind": "arxiv",
    "version": 1
  }
}