Pith Number

pith:HRJUBPMO

pith:2018:HRJUBPMOJYQI7GJNQTXCHPBEN2

not attested not anchored not stored refs pending

Local Contrast Learning

Chuanyun Xu, Jianwu Long, Xin Feng, Yang Zhang, Yihao Zhang, YongXing Ge

arxiv:1802.03499 v1 · 2018-02-10 · cs.LG · cs.AI · 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{HRJUBPMOJYQI7GJNQTXCHPBEN2}

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	2026-05-18T00:23:51.395167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c5340bd8e4e208f992d84ee23bc246e8f94ed0b8920be39f5ac0da60b2548cb

Aliases

arxiv: 1802.03499 · arxiv_version: 1802.03499v1 · doi: 10.48550/arxiv.1802.03499 · pith_short_12: HRJUBPMOJYQI · pith_short_16: HRJUBPMOJYQI7GJN · pith_short_8: HRJUBPMO

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/HRJUBPMOJYQI7GJNQTXCHPBEN2 \
  | 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: 3c5340bd8e4e208f992d84ee23bc246e8f94ed0b8920be39f5ac0da60b2548cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bde4fed3b668a7d2db2de49b48344825c04d2e42b9d86f8816d28d7cbc29dd7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-10T01:54:44Z",
    "title_canon_sha256": "b962ed29ad9e174d5e93c06a382f3f7dda904d638370e10f3ef97b7c24a5dcda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03499",
    "kind": "arxiv",
    "version": 1
  }
}