Pith Number

pith:ZJQKFCHJ

pith:2019:ZJQKFCHJVDWYBYKIKMLXSWCTNO

not attested not anchored not stored refs pending

Understanding Optical Music Recognition

Alexander Pacha, Jan Haji\v{c} jr., Jorge Calvo-Zaragoza

arxiv:1908.03608 v3 · 2019-08-07 · cs.CV · cs.AI · cs.IR · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJQKFCHJVDWYBYKIKMLXSWCTNO}

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	2026-07-05T01:23:09.051561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca60a288e9a8ed80e14853177958536b890aaa38ae02a8b32202eea21fb26129

Aliases

arxiv: 1908.03608 · arxiv_version: 1908.03608v3 · doi: 10.48550/arxiv.1908.03608 · pith_short_12: ZJQKFCHJVDWY · pith_short_16: ZJQKFCHJVDWYBYKI · pith_short_8: ZJQKFCHJ

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/ZJQKFCHJVDWYBYKIKMLXSWCTNO \
  | 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: ca60a288e9a8ed80e14853177958536b890aaa38ae02a8b32202eea21fb26129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "737ce5b154f452334d33a88c19e664ebdfeb39a52172118ac2691534a7c127f2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR",
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-07T08:37:16Z",
    "title_canon_sha256": "da64ff32cf790c218150ac6e5e91b0406ddf65573178865472c82d0d379f5ec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03608",
    "kind": "arxiv",
    "version": 3
  }
}