Pith Number

pith:B6EKU4WG

pith:2025:B6EKU4WGKTWGXXK67K42ZEA276

not attested not anchored not stored refs pending

An Entity Linking Agent for Question Answering

Jia Ao Sun, Jian-Yun Nie, Liheng Ma, Muzhi Li, Xinyu Wang, Yajie Luo, Yihong Wu, Yingxue Zhang

arxiv:2508.03865 v4 · 2025-08-05 · 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{B6EKU4WGKTWGXXK67K42ZEA276}

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	2026-05-22T01:03:15.049028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f88aa72c654ec6bdd5efab9ac901affa8dbcee3d2ce6b9e61f99da5de3f850a

Aliases

arxiv: 2508.03865 · arxiv_version: 2508.03865v4 · doi: 10.48550/arxiv.2508.03865 · pith_short_12: B6EKU4WGKTWG · pith_short_16: B6EKU4WGKTWGXXK6 · pith_short_8: B6EKU4WG

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/B6EKU4WGKTWGXXK67K42ZEA276 \
  | 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: 0f88aa72c654ec6bdd5efab9ac901affa8dbcee3d2ce6b9e61f99da5de3f850a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c7175b6237057cbc78c973098aed6c2d407e6a85d3d94cc5bcdb10c49acb4b1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-05T19:28:43Z",
    "title_canon_sha256": "3ea55f07326f6ff4dc3615741ba44e971db41ef7504305fcc26586d828fd70f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.03865",
    "kind": "arxiv",
    "version": 4
  }
}