Pith Number

pith:J2463WHX

pith:2017:J2463WHXZFOBYNK7RUUMTMFOFK

not attested not anchored not stored refs pending

HMM-based Writer Identification in Music Score Documents without Staff-Line Removal

Ayan Kumar Bhunia, Partha Pratim Roy, Umapada Pal

arxiv:1707.06828 v2 · 2017-07-21 · 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{J2463WHXZFOBYNK7RUUMTMFOFK}

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	2026-05-18T00:39:17.572302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eb9edd8f7c95c1c355f8d28c9b0ae2ab09e3505cd373a70dbb392166db3392c

Aliases

arxiv: 1707.06828 · arxiv_version: 1707.06828v2 · doi: 10.48550/arxiv.1707.06828 · pith_short_12: J2463WHXZFOB · pith_short_16: J2463WHXZFOBYNK7 · pith_short_8: J2463WHX

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/J2463WHXZFOBYNK7RUUMTMFOFK \
  | 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: 4eb9edd8f7c95c1c355f8d28c9b0ae2ab09e3505cd373a70dbb392166db3392c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f34e0be565880a105269ea7145cd2e64b18cee1956a8512f77526c99610c6681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-21T10:34:05Z",
    "title_canon_sha256": "afc0b959e98d32ae9f97400c252d87a9280ffe9720119aed38f86e09ca6960ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06828",
    "kind": "arxiv",
    "version": 2
  }
}