Pith Number

pith:FIJB5GZX

pith:2025:FIJB5GZXVVEW6FTIAS4BTOB6DU

not attested not anchored not stored refs pending

Understanding and Supporting Formal Email Exchange by Answering AI-Generated Questions

Chi-Lan Yang, Hideaki Kuzuoka, Keigo Matsumoto, Masaki Kuribayashi, Shigeo Morishima, Yusuke Miura

arxiv:2502.03804 v2 · 2025-02-06 · cs.HC · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIJB5GZXVVEW6FTIAS4BTOB6DU}

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	2026-07-05T10:10:49.463025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a121e9b37ad496f166804b819b83e1d32f169b8bf743c5661ef039e8cf2f215

Aliases

arxiv: 2502.03804 · arxiv_version: 2502.03804v2 · doi: 10.48550/arxiv.2502.03804 · pith_short_12: FIJB5GZXVVEW · pith_short_16: FIJB5GZXVVEW6FTI · pith_short_8: FIJB5GZX

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/FIJB5GZXVVEW6FTIAS4BTOB6DU \
  | 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: 2a121e9b37ad496f166804b819b83e1d32f169b8bf743c5661ef039e8cf2f215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a22b7b1fc12a314eb23bff4487ee891a6fb57965ec23f3c64e010e1910d20f2b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-02-06T06:27:09Z",
    "title_canon_sha256": "38d089ad044c74c45002ddf4ce6b0f5cd6175c7e04ba44dbf97e073f15f6e773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03804",
    "kind": "arxiv",
    "version": 2
  }
}