Pith Number

pith:3T472DAF

pith:2019:3T472DAFTCENHW2DY6FXFTBC7L

not attested not anchored not stored refs pending

Soft Options Critic

Elita Lobo, Scott Jordan

arxiv:1905.11222 v2 · 2019-05-23 · cs.AI · 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{3T472DAFTCENHW2DY6FXFTBC7L}

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	2026-05-17T23:43:32.585675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf9fd0c059888d3db43c78b72cc22fae31a4d6539d9f8951f8c4cffef39573d

Aliases

arxiv: 1905.11222 · arxiv_version: 1905.11222v2 · doi: 10.48550/arxiv.1905.11222 · pith_short_12: 3T472DAFTCEN · pith_short_16: 3T472DAFTCENHW2D · pith_short_8: 3T472DAF

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/3T472DAFTCENHW2DY6FXFTBC7L \
  | 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: dcf9fd0c059888d3db43c78b72cc22fae31a4d6539d9f8951f8c4cffef39573d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab2fe89ebf172dd5698b29f44871bc616bf8ab21f65c59dc82f51250e64322fa",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-05-23T21:27:11Z",
    "title_canon_sha256": "c399386b44dc73e6ccf9d5af935286c0bef01a91297f256b78f28d4add30d350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11222",
    "kind": "arxiv",
    "version": 2
  }
}