Pith Number

pith:DC7SZCBZ

pith:2025:DC7SZCBZXJVGE5LBRPQLLHB7AL

not attested not anchored not stored refs pending

MMHMER:Multi-viewer and Multi-task for Handwritten Mathematical Expression Recognition

Haoyang Shen, Kehua Chen, Lifan Zhong, Mingyi Chen

arxiv:2502.05557 v3 · 2025-02-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DC7SZCBZXJVGE5LBRPQLLHB7AL}

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	2026-07-05T11:56:17.474266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18bf2c8839ba6a6275618be0b59c3f02ebcb534ccfdb8b2bbeec8a6f74d301cf

Aliases

arxiv: 2502.05557 · arxiv_version: 2502.05557v3 · doi: 10.48550/arxiv.2502.05557 · pith_short_12: DC7SZCBZXJVG · pith_short_16: DC7SZCBZXJVGE5LB · pith_short_8: DC7SZCBZ

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/DC7SZCBZXJVGE5LBRPQLLHB7AL \
  | 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: 18bf2c8839ba6a6275618be0b59c3f02ebcb534ccfdb8b2bbeec8a6f74d301cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e354cbb4d1472005ada7433f73e9042c5914f3d1cd9c822ec644248c62a9404c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-08T13:03:52Z",
    "title_canon_sha256": "c6d2c3c31e6feeaa73b39277253838497b8a45b75a48bd61679690af80c6ae69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05557",
    "kind": "arxiv",
    "version": 3
  }
}