Pith Number

pith:47IFJU5S

pith:2017:47IFJU5SNXW7AK6KCYYMHP2JWZ

not attested not anchored not stored refs pending

Image Companding and Inverse Halftoning using Deep Convolutional Neural Networks

Guoping Qiu, Xianxu Hou

arxiv:1707.00116 v2 · 2017-07-01 · 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{47IFJU5SNXW7AK6KCYYMHP2JWZ}

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	2026-05-18T00:39:52.255744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d054d3b26dedf02bca1630c3bf49b66f5ef3158d0bac27123a9e0e28856ad5

Aliases

arxiv: 1707.00116 · arxiv_version: 1707.00116v2 · doi: 10.48550/arxiv.1707.00116 · pith_short_12: 47IFJU5SNXW7 · pith_short_16: 47IFJU5SNXW7AK6K · pith_short_8: 47IFJU5S

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/47IFJU5SNXW7AK6KCYYMHP2JWZ \
  | 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: e7d054d3b26dedf02bca1630c3bf49b66f5ef3158d0bac27123a9e0e28856ad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "042c33beaee983e30acd0ab9d0ce3a58b98cccb12379881836243ace0e2d3f5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-01T08:42:48Z",
    "title_canon_sha256": "63b1aae113d341f73a605e83fa58994724a6054be84b9573653a7dd28ad90ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00116",
    "kind": "arxiv",
    "version": 2
  }
}