Pith Number

pith:3KHYDV2Z

pith:2018:3KHYDV2ZYDY5V5XJG3AAEXZ3BZ

not attested not anchored not stored refs pending

Binary Document Image Super Resolution for Improved Readability and OCR Performance

A G Ramakrishnan, Chandrahasa B, K Vignesh, Ram Krishna Pandey

arxiv:1812.02475 v1 · 2018-12-06 · 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{3KHYDV2ZYDY5V5XJG3AAEXZ3BZ}

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	2026-05-17T23:58:55.599335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8f81d759c0f1daf6e936c0025f3b0e4b8151e8a8ad90d7944b6925cd245e48

Aliases

arxiv: 1812.02475 · arxiv_version: 1812.02475v1 · doi: 10.48550/arxiv.1812.02475 · pith_short_12: 3KHYDV2ZYDY5 · pith_short_16: 3KHYDV2ZYDY5V5XJ · pith_short_8: 3KHYDV2Z

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/3KHYDV2ZYDY5V5XJG3AAEXZ3BZ \
  | 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: da8f81d759c0f1daf6e936c0025f3b0e4b8151e8a8ad90d7944b6925cd245e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55d553c30f3f7169d215762bda07bec8a39dc377b742d0cdeeace186d0189848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-06T11:41:07Z",
    "title_canon_sha256": "eecd7b47d7c46afd98a8c3c99c948c470b2eee9cf5764e057ef7b271b144d4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02475",
    "kind": "arxiv",
    "version": 1
  }
}