Pith Number

pith:ZBPKTNYW

pith:2025:ZBPKTNYWJH3DYKH24ORCUOLQKW

not attested not anchored not stored refs pending

Transferable text data distillation by trajectory matching

Fanyi Du, Hailin Hu, Hanting Chen, Kai Han, Rong Yao, Wenyi Fang, Yifei Fu, Yunhe Wang

arxiv:2504.09818 v2 · 2025-04-14 · 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{ZBPKTNYWJH3DYKH24ORCUOLQKW}

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	2026-07-05T10:53:17.140291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85ea9b71649f63c28fae3a22a397055aa2679993b8d6e0e905aa6c744e4bf63

Aliases

arxiv: 2504.09818 · arxiv_version: 2504.09818v2 · doi: 10.48550/arxiv.2504.09818 · pith_short_12: ZBPKTNYWJH3D · pith_short_16: ZBPKTNYWJH3DYKH2 · pith_short_8: ZBPKTNYW

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/ZBPKTNYWJH3DYKH24ORCUOLQKW \
  | 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: c85ea9b71649f63c28fae3a22a397055aa2679993b8d6e0e905aa6c744e4bf63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a66b95bf5a5b6fbefb5d64a5a243ea638d4f5b85e34716dd468af72b6ba0e571",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-14T02:39:26Z",
    "title_canon_sha256": "fbb0de8573a2065157c5613e3622fe65043017a274aabd6c875de530ef3fee59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.09818",
    "kind": "arxiv",
    "version": 2
  }
}