Pith Number

pith:N5Z4KZLH

pith:2021:N5Z4KZLHC7BU6VEABO22DKEKAS

not attested not anchored not stored refs pending

A Survey on Deep learning based Document Image Enhancement

Vassilis Athitsos, Zahra Anvari

arxiv:2112.02719 v4 · 2021-12-06 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5Z4KZLHC7BU6VEABO22DKEKAS}

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.

Cited by

1 paper in Pith

A Multistage Extraction Pipeline for Long Scanned Financial Documents: An Empirical Study in Industrial KYC Workflows

Receipt and verification

First computed	2026-07-05T03:44:56.723775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f73c5656717c34f54800bb5a1a88a04816b4a76a51fb29ee4d6d8365f4917bd

Aliases

arxiv: 2112.02719 · arxiv_version: 2112.02719v4 · doi: 10.48550/arxiv.2112.02719 · pith_short_12: N5Z4KZLHC7BU · pith_short_16: N5Z4KZLHC7BU6VEA · pith_short_8: N5Z4KZLH

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/N5Z4KZLHC7BU6VEABO22DKEKAS \
  | 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: 6f73c5656717c34f54800bb5a1a88a04816b4a76a51fb29ee4d6d8365f4917bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d4befd1acc876d7328f94c270c04dba5a8002b34906720da0a7d7eee782dd7c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-06T00:24:50Z",
    "title_canon_sha256": "3027905a912ec219c577db0f635377324b469d9cbac2ae0ea61d5e41e27ef7f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02719",
    "kind": "arxiv",
    "version": 4
  }
}