Pith Number

pith:X4WAFFAT

pith:2020:X4WAFFAT3PAHWQM3UDRRGLFJKD

not attested not anchored not stored refs pending

Introducing a framework to assess newly created questions with Natural Language Processing

Andrea Cappelli, Luca Benedetto, Paolo Cremonesi, Roberto Turrin

arxiv:2004.13530 v2 · 2020-04-28 · cs.CL · 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{X4WAFFAT3PAHWQM3UDRRGLFJKD}

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.

Cited by

1 paper in Pith

Not eXactly Byzantine: Efficient and Resilient TEE-Based State Machine Replication

Receipt and verification

First computed	2026-07-05T01:00:51.065360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2c029413dbc07b419ba0e3132ca950f9a2cd8eb9c99a7c8955a0c98b89a143

Aliases

arxiv: 2004.13530 · arxiv_version: 2004.13530v2 · doi: 10.48550/arxiv.2004.13530 · pith_short_12: X4WAFFAT3PAH · pith_short_16: X4WAFFAT3PAHWQM3 · pith_short_8: X4WAFFAT

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/X4WAFFAT3PAHWQM3UDRRGLFJKD \
  | 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: bf2c029413dbc07b419ba0e3132ca950f9a2cd8eb9c99a7c8955a0c98b89a143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de28fae9d4bcf063367f68cb843fdf855beefd536ec467b9035b89430002dfe7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-28T13:57:21Z",
    "title_canon_sha256": "a6fdc16429b4784ab017fd2116b5d9ee5b65c7e2703c41ca02ac469e6bcaba17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13530",
    "kind": "arxiv",
    "version": 2
  }
}