Pith Number

pith:54ETTM2N

pith:2018:54ETTM2NYNBF7BU2YT5I4G2R2B

not attested not anchored not stored refs pending

Confidence Prediction for Lexicon-Free OCR

Lior Wolf, Noam Mor

arxiv:1805.11161 v1 · 2018-05-28 · 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{54ETTM2NYNBF7BU2YT5I4G2R2B}

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	2026-05-18T00:10:44.440192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef0939b34dc3425f869ac4fa8e1b51d071a7e636f1ea92ee82f3e7d0860c17a9

Aliases

arxiv: 1805.11161 · arxiv_version: 1805.11161v1 · doi: 10.48550/arxiv.1805.11161 · pith_short_12: 54ETTM2NYNBF · pith_short_16: 54ETTM2NYNBF7BU2 · pith_short_8: 54ETTM2N

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/54ETTM2NYNBF7BU2YT5I4G2R2B \
  | 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: ef0939b34dc3425f869ac4fa8e1b51d071a7e636f1ea92ee82f3e7d0860c17a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32f6a0b96f8bb7a31c453a3e8a9a1e2af9267b08a5715a43165133b2d5cdfec7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-28T20:24:04Z",
    "title_canon_sha256": "859c4db2a36dd7e2574c5d917f04650fa07e8ed45219d7b07513a043fbb8559b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11161",
    "kind": "arxiv",
    "version": 1
  }
}