Pith Number

pith:WDG3FOMW

pith:2014:WDG3FOMWNDT2K27HCVHC4STKEM

not attested not anchored not stored refs pending

Comparing CSI and PCA in Amalgamation with JPEG for Spectral Image Compression

Ming Ronnier Luo, Muhammad Safdar, Xiaoyu Liu

arxiv:1410.5092 v4 · 2014-10-19 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDG3FOMWNDT2K27HCVHC4STKEM}

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	2026-05-18T01:57:41.751901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0cdb2b99668e7a56be7154e2e4a6a231de3877c0d70454dc6cb8fff41941f62

Aliases

arxiv: 1410.5092 · arxiv_version: 1410.5092v4 · doi: 10.48550/arxiv.1410.5092 · pith_short_12: WDG3FOMWNDT2 · pith_short_16: WDG3FOMWNDT2K27H · pith_short_8: WDG3FOMW

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/WDG3FOMWNDT2K27HCVHC4STKEM \
  | 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: b0cdb2b99668e7a56be7154e2e4a6a231de3877c0d70454dc6cb8fff41941f62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b0c0939163be1bc973f4d4d84e3692290e592b92c3283b7e8eb780ddd7ac0c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2014-10-19T16:51:34Z",
    "title_canon_sha256": "8bec2b3455a52795a58105ae7f81ec0f2a01acfc6a23075e9830cd1158ad5685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5092",
    "kind": "arxiv",
    "version": 4
  }
}