Pith Number

pith:S3ZEYBHB

pith:2015:S3ZEYBHBXU5HRFV62FIP2R27RK

not attested not anchored not stored refs pending

Sparse Coding with Earth Mover's Distance for Multi-Instance Histogram Representation

Jianhua Peng, Jim Jing-Yan Wang, Mohua Zhang, Xuejie Liu

arxiv:1502.02377 v2 · 2015-02-09 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S3ZEYBHBXU5HRFV62FIP2R27RK}

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	2026-05-18T01:19:12.404186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96f24c04e1bd3a7896bed150fd475f8aac8bd1c0e40e3beb7bf8bd049eb13e8b

Aliases

arxiv: 1502.02377 · arxiv_version: 1502.02377v2 · doi: 10.48550/arxiv.1502.02377 · pith_short_12: S3ZEYBHBXU5H · pith_short_16: S3ZEYBHBXU5HRFV6 · pith_short_8: S3ZEYBHB

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/S3ZEYBHBXU5HRFV62FIP2R27RK \
  | 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: 96f24c04e1bd3a7896bed150fd475f8aac8bd1c0e40e3beb7bf8bd049eb13e8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40a49934a2c60632cc61a748b1542e2ee2cc081024453947827a5be8b7ab6fea",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-09T06:42:02Z",
    "title_canon_sha256": "8eed68b29c6ece1fdb22e55e00d8b02e8a89cf7c9dfbd1df17244ae1e68886b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02377",
    "kind": "arxiv",
    "version": 2
  }
}