Pith Number

pith:JROF5G3A

pith:2023:JROF5G3ALB56BKBMBC76OYF4DN

not attested not anchored not stored refs pending

Bidirectional Trained Tree-Structured Decoder for Handwritten Mathematical Expression Recognition

Chenyu Liu, Hanbo Cheng, Jiefeng Ma, Jun Du, Pengfei Hu, Zhenrong Zhang

arxiv:2401.00435 v1 · 2023-12-31 · cs.CV · 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{JROF5G3ALB56BKBMBC76OYF4DN}

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	2026-07-05T07:29:18.481668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c5c5e9b60587be0a82c08bfe760bc1b4f4be2b2aded3db620a562434c067837

Aliases

arxiv: 2401.00435 · arxiv_version: 2401.00435v1 · doi: 10.48550/arxiv.2401.00435 · pith_short_12: JROF5G3ALB56 · pith_short_16: JROF5G3ALB56BKBM · pith_short_8: JROF5G3A

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/JROF5G3ALB56BKBMBC76OYF4DN \
  | 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: 4c5c5e9b60587be0a82c08bfe760bc1b4f4be2b2aded3db620a562434c067837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea616aafce0da175a326a38d502743c9c9c4f56fa8196779eb8ce6b7f389725",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-12-31T09:24:21Z",
    "title_canon_sha256": "a87bd0ace6749b72c389cddff48ff2ccfae8bb87d18f5e64bc2900c9b08f5de4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.00435",
    "kind": "arxiv",
    "version": 1
  }
}