Pith Number

pith:IQVH7CJX

pith:2016:IQVH7CJXR5MAM2WJPI7KSNZXZA

not attested not anchored not stored refs pending

Learning Discriminative Features with Class Encoder

Hailin Shi, Shengcai Liao, Stan Z. Li, Xiangyu Zhu, Zhen Lei

arxiv:1605.02424 v1 · 2016-05-09 · 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{IQVH7CJXR5MAM2WJPI7KSNZXZA}

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	2026-05-18T01:15:21.029167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

442a7f89378f58066ac97a3ea93737c8007e2d6aa134e8554d6c56e9404ca7f0

Aliases

arxiv: 1605.02424 · arxiv_version: 1605.02424v1 · doi: 10.48550/arxiv.1605.02424 · pith_short_12: IQVH7CJXR5MA · pith_short_16: IQVH7CJXR5MAM2WJ · pith_short_8: IQVH7CJX

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/IQVH7CJXR5MAM2WJPI7KSNZXZA \
  | 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: 442a7f89378f58066ac97a3ea93737c8007e2d6aa134e8554d6c56e9404ca7f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f5d033688e5acbe6b2846b050ffff09ef9197b6ec2c20a2ea9eca2f58307724",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-05-09T06:04:14Z",
    "title_canon_sha256": "088f98c3638a6296eb5ed2a2a7058aaf98de2a0844a91f500eae6326f4a4f49c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02424",
    "kind": "arxiv",
    "version": 1
  }
}