Pith Number

pith:PMIJWE34

pith:2016:PMIJWE344QNATCH5GWNOV4PI33

not attested not anchored not stored refs pending

Natural Scene Character Recognition Using Robust PCA and Sparse Representation

Cheng-Lin Liu, Yong Xu, Zheng Zhang

arxiv:1606.04616 v1 · 2016-06-15 · 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{PMIJWE344QNATCH5GWNOV4PI33}

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	2026-05-18T01:12:24.689362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b109b137ce41a0988fd359aeaf1e8ded937b2ee4b3c58728f8dbb75d467dc7e

Aliases

arxiv: 1606.04616 · arxiv_version: 1606.04616v1 · doi: 10.48550/arxiv.1606.04616 · pith_short_12: PMIJWE344QNA · pith_short_16: PMIJWE344QNATCH5 · pith_short_8: PMIJWE34

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/PMIJWE344QNATCH5GWNOV4PI33 \
  | 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: 7b109b137ce41a0988fd359aeaf1e8ded937b2ee4b3c58728f8dbb75d467dc7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98ea03a3e94d7de76b9d89a60bd793bd4f78d68c692dc389367349293963086e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-06-15T01:58:06Z",
    "title_canon_sha256": "111598c344858e2b157d93eeabdecff78e05dbafe87a1bc4f529e071663eda42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04616",
    "kind": "arxiv",
    "version": 1
  }
}