Pith Number

pith:R4NGCSX2

pith:2019:R4NGCSX2JUTCMU5HBEBKB47CU3

not attested not anchored not stored refs pending

Judging Chemical Reaction Practicality From Positive Sample only Learning

Bao-Liang Lu, Hai Zhao, Jiangtong Li, Ning Xia, Shu Jiang, Yang Yang, Zhuosheng Zhang

arxiv:1904.09824 v1 · 2019-04-22 · 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{R4NGCSX2JUTCMU5HBEBKB47CU3}

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	2026-05-17T23:48:03.183965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f1a614afa4d262653a70902a0f3e2a6cc71d8c6b41dc6879677fed422a30f5a

Aliases

arxiv: 1904.09824 · arxiv_version: 1904.09824v1 · doi: 10.48550/arxiv.1904.09824 · pith_short_12: R4NGCSX2JUTC · pith_short_16: R4NGCSX2JUTCMU5H · pith_short_8: R4NGCSX2

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/R4NGCSX2JUTCMU5HBEBKB47CU3 \
  | 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: 8f1a614afa4d262653a70902a0f3e2a6cc71d8c6b41dc6879677fed422a30f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a287ec9534ded43f946a6ed6ed7f108024587614607233f5db5c9544cf45f1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-22T12:35:38Z",
    "title_canon_sha256": "00901984474143e55c4d78d1da52a32fc973470f457be7a0cfba646859f9f3cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09824",
    "kind": "arxiv",
    "version": 1
  }
}