Pith Number

pith:H23PQDZC

pith:2021:H23PQDZC7DEYKLGCDHHFTDOTON

not attested not anchored not stored refs pending

Joint Models for Answer Verification in Question Answering Systems

Alessandro Moschitti, Thuy Vu, Zeyu Zhang

arxiv:2107.04217 v1 · 2021-07-09 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H23PQDZC7DEYKLGCDHHFTDOTON}

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

Client-Centric Federated Adaptive Optimization

Receipt and verification

First computed	2026-07-05T03:05:51.917283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eb6f80f22f8c9852cc219ce598dd3736d447bd0131656c89d0842477e787039

Aliases

arxiv: 2107.04217 · arxiv_version: 2107.04217v1 · doi: 10.48550/arxiv.2107.04217 · pith_short_12: H23PQDZC7DEY · pith_short_16: H23PQDZC7DEYKLGC · pith_short_8: H23PQDZC

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/H23PQDZC7DEYKLGCDHHFTDOTON \
  | 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: 3eb6f80f22f8c9852cc219ce598dd3736d447bd0131656c89d0842477e787039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f077b52e51ef4c5b9c27e4cd4659c9d241bf064ddf35a72b8963ec3e1b2140c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-09T05:34:36Z",
    "title_canon_sha256": "fe119197c49643d56b76707e2f500a9d0a36b88bf6fed9548088dbf0fb12c80f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04217",
    "kind": "arxiv",
    "version": 1
  }
}