Pith Number

pith:EZJ5SJOR

pith:2020:EZJ5SJORQBUAWHQDVQ46HYGJDU

not attested not anchored not stored refs pending

EDSL: An Encoder-Decoder Architecture with Symbol-Level Features for Printed Mathematical Expression Recognition

Aoying Zhou, Ming Gao, Tingting Liu, Yingnan Fu

arxiv:2007.02517 v1 · 2020-07-06 · 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{EZJ5SJORQBUAWHQDVQ46HYGJDU}

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	2026-07-05T01:16:22.774254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2653d925d180680b1e03ac39e3e0c91d1642f3cf02e3f0ecc6d6e6232b8b9cc9

Aliases

arxiv: 2007.02517 · arxiv_version: 2007.02517v1 · doi: 10.48550/arxiv.2007.02517 · pith_short_12: EZJ5SJORQBUA · pith_short_16: EZJ5SJORQBUAWHQD · pith_short_8: EZJ5SJOR

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/EZJ5SJORQBUAWHQDVQ46HYGJDU \
  | 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: 2653d925d180680b1e03ac39e3e0c91d1642f3cf02e3f0ecc6d6e6232b8b9cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f253676fdc3ab8096c44027be055e4422532c4f65ee0b37143b3b2726aa090c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-06T03:53:52Z",
    "title_canon_sha256": "266ee447bde4a24bdcb76144e7665048e5a33ba11c60038153a416dff5b4cd2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02517",
    "kind": "arxiv",
    "version": 1
  }
}