Pith Number

pith:VZZFIHXU

pith:2017:VZZFIHXUZZVR5PZRC7KERN2HYL

not attested not anchored not stored refs pending

Learning Surrogate Models of Document Image Quality Metrics for Automated Document Image Processing

Anders Hast, Ekta Vats, Prashant Singh

arxiv:1712.03738 v1 · 2017-12-11 · 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{VZZFIHXUZZVR5PZRC7KERN2HYL}

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	2026-05-18T00:11:18.239821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae72541ef4ce6b1ebf3117d448b747c2c67a4f2d529bbdf5bffb3e8ed646dad8

Aliases

arxiv: 1712.03738 · arxiv_version: 1712.03738v1 · doi: 10.48550/arxiv.1712.03738 · pith_short_12: VZZFIHXUZZVR · pith_short_16: VZZFIHXUZZVR5PZR · pith_short_8: VZZFIHXU

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/VZZFIHXUZZVR5PZRC7KERN2HYL \
  | 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: ae72541ef4ce6b1ebf3117d448b747c2c67a4f2d529bbdf5bffb3e8ed646dad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123962488a04184187af1afa85c0b55e8dfb220daa1aa84374338bbdf15cd078",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-11T12:13:33Z",
    "title_canon_sha256": "346248d6dc593316043761caf51469bdce958d063adfa4cc7fd3f23fe5450167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03738",
    "kind": "arxiv",
    "version": 1
  }
}